Communications Installation Specifications
This document defines the standards used for installation of communications services (internal and external) for voice, video, and data services for new or renovated buildings. Throughout the document the word shall is mandatory. Where the word preferred is used we would like it done this way and it would be expected in new building construction. This document attempts to as closely as possibly assure all Communications Equipment Rooms adhere to EIA / TIA Standards. For more detailed information refer to applicable EIA / TIA Standard. Questions regarding the above requirements should be directed to the Telecommunications Center at: (662) 915-5922.
Section 1 -- Service Entrance and Termination
Print Section 1
Section 2 -- Telecommunications Rooms and Cable Termination
Print Section 2
2.4 Racks and Panels
2.5 Wire Dress
2.6 Voice/Data Rack and Patch Panel
Section 3 -- Communication Outlets -- Inside Plant Wiring and Raceways
Print Section 3
3.2 Communication Outlet Location
3.3 Communication Outlet Installation
3.4 Communications Jacks
3.5 Wiring Pathways
3.7 Ladder/Cable/Wire Trays
3.8 Open Top Cable Support and Rings
3.9 Under-floor Duct Systems
Section 4 -- Television Cable
Print Section 4
4.2 Video/Projection Devices
4.3 High Tech Classrooms
Section 5 -- Protection, Grounding and Bonding
Print Section 5
5.1 Lightning Protection
Section 6 -- Inspection, Testing and Documentation
Print Section 6
6.1 Inspection of Work
6.3 Documentation Standards
Section 7 -- Fire Stopping
Print Section 7
Section 8 -- Local Area Networks
Print Section 8
8.2 Determining Requirements
8.3 Wiring Type
Section 9 -- Wide Area Networks
Print Section 9
9.1 System Design
Section 10 -- Fiber Optic Technology
Print Section 10
Section 11 -- Miscellaneous and Special Situations
Print Section 11
Section 12 -- Codes, Standards, and Regulations
Print Section 12
Section 13 -- Legends and Symbols
Print Section 13
Section 14 -- Contact Information
Print Section 14
- This section provides the necessary
guidelines to install service entrances to buildings and
information for the termination of cables entering buildings.
Topics addressed are voice, data and video.
All outside plant voice, data, video cabling, communication conduits and manholes, shall be designed and/or approved by the University's Telecommunications Center.
- 1.2.1 GENERAL
Prior approval and coordination with Telecommunications Center, and concerned parties is necessary when the situation requires pulling cable through any communications conduit.
All cables associated with campus telecommunication networks (telephone, data, LAN, WAN, campus TV, and fiber optics) shall be connected and disconnected by Telecommunications Center or its designee.
All trunk cables requiring splicing will be done in accordance with current industry standards. Project specifications will indicate who will be responsible for supplying and installing trunk cabling and splice closures.
There shall be no cable with voltages higher than 90 volts AC in communications duct banks.
Note: Hard-line coax cable for backbone CATV networks may carry voltage as high as 90 VAC.
All twisted pair cables entering a building shall be terminated on protection blocks. Only gas and solid state protectors shall be used. See specifications in Section 5. Project specifications will indicate who will be responsible for furnishing and installing protectors. A grounding block will be provided at the telecommunications backboard and connected to the main electrical ground for the building.
Repair or replacement of damaged cable is the responsibility of the party involved in causing the damage. Repairs or replacements will be done at no cost to the University. All repairs to damaged cables must be approved by Telecommunications Center. All damages shall be reported immediately to Telecommunications Center. Facilities Planning and Physical Plant shall also be notified for damages due to activities of project contractors.
- 1.2.2 LABELING
All cables in each manhole shall be identified by the cable number, cable type, number of pairs and the termination point. The tag shall be made of plastic or other such material designed to be used in such an application.
Whenever possible, all abandoned cable shall be removed from tunnels, manholes and conduit. If it is not feasible to remove abandoned cable, it shall be clearly tagged as abandoned, with appropriate labeling as above, and shall be reported to Telecommunications Center and Physical Plant.
- 1.2.3 AERIAL
Most university low voltage structured cabling is underground. No aerial wiring shall be installed on campus unless approved by the Telecommunications Center, Facilities Planning, and Physical Plant. Information shall be obtained from Telecommunications Center in reference to ownership of aerial communication cables and poles.
- 1.3.1 GENERAL
Conduit sizing and quantities between buildings shall be determined by Telecommunications Center and will be communicated to Facilities Planning and Physical Plant for inclusion in the project specifications. Minimum requirements are outlined in the following paragraphs.
All campus buildings shall be connected to the nearest manhole or new manhole.
Prior approval and coordination with Telecommunications Center, Facilities Planning, and Physical Plant and other concerned parties is necessary when the situation requires any modification to the conduit system.
Repair or replacement of damaged conduit is the responsibility of the party involved in causing the damage and at no cost to the University. All repairs to damaged conduits must be approved by Telecommunications Center All damages shall be reported to Telecommunications Center, Facilities Planning and Physical Plant immediately.
If an adjacent building is planned near the new constructed or renovated building, communications facilities should be placed from the main equipment room in the new or renovated building to the exterior of the building on the side of the adjacent building. Specifications will be the same as those installed for the new or renovated building.
- 1.3.2 REQUIREMENTS
All new facilities or renovations will be required to meet minimum requirements. Minimum voice, data, and video conduit required for each building shall be 3 conduits. Whenever feasible, buildings larger than 200,000 square feet shall have two means of access to existing campus facilities.
One (1), two inch, Schedule 40, PVC, and
Two (2), four inch, Schedule 40, PVC.
No more than the equivalent of 180 degrees of bends is allowed in a run, including offsets.
A mule-tape with footage markers shall be installed and tied off for each innerduct and/or conduit. Mule-tape shall also be used for inside facilities and innerducts.
- 1.3.3 UNDERGROUND
All underground conduit, duct bank and raceways shall be steel reinforced, and concrete (3500psi minimum) encased PVC. Additional reinforcement is to be used when crossing roadways.
The minimum separation for communications ducts and power ducts in a joint trench environment is 3 inches (8 cm) of concrete, 4 inches (10 cm) of aggregate or 12 inches (30 cm) of well-tamped earth. All communications ducts shall also be a minimum of 12 inches from steam pipes and condensation lines if crossing perpendicular. The minimum depth for buried conduit and ducts is 30 inches below grade or underside of road bed to top of duct/conduit.
Rigid steel conduit, encased in reinforced concrete, shall be used in any location subject to abuse, such as under slabs or foundations.
All necessary precautions shall be taken by the contractor during construction to prevent the lodging of dirt, plaster or trash in all conduit, tubing, flow duct, fittings and boxes. All conduit in floors, concrete or below grade, shall be swabbed free of debris and moisture before wires are pulled. Conduits installed for inside plant type communications wiring are not to be below grade where moisture can seep through pipes.
All diggings and excavation on the University of Mississippi campus shall be approved by the Facilities Planning and Physical Plant.
When pulling cable in existing underground conduits, innerduct shall be installed to complete filling the duct. The number of innerducts to be installed will be based on the amount of space in the conduit. An empty conduit will be required to have enough innerducts installed that fill the conduit to complete capacity. All conduits and innerducts shall be sealed. Sizing of innerducts is determined by the Telecommunications Center.
Prior to pulling cable in existing underground conduits, innerduct shall be installed first. The number of innerducts to be installed will be based on the amount of space in the conduit if there is cable already present. An empty conduit will be required to have enough innerducts installed that fill the conduit to complete capacity. All conduits and innerducts shall be sealed.
- 1.3.4 CONDENSATION
Duct banks shall be pitched to drain to manholes and away from building entrances.
- 1.3.5 TRAPS
All conduit, tubing, raceways, ducts and duct banks shall be installed in such manner to insure against collection of trapped condensation. Raceway runs shall be arranged to be void of traps.
When conduit passes through exterior concrete walls of any facility, the entrance shall be watertight. Provide pipe sleeves in the concrete with 1/2 inch minimum entrance seal.
All conduits shall have watertight connections and be sloped properly so they will drain into the manhole and away from the building entrance.
- 1.3.6 TYPES
Gas pipe and water pipes shall not be used for conduit under any circumstances.
Three types of conduit are accepted for underground conduit systems. Project specifications will detail the types of conduit to be used in the various locations covered by the project.
Rigid galvanized steel conduit with threaded fittings -- This conduit shall be installed with reinforced concrete casing in areas subject to abuse.
Schedule 40 PVC conduit -- This conduit shall be installed with reinforced concrete casing. No PVC conduit is acceptable without reinforced concrete.
The duct envelope shall be rectangular in the cross section and be a minimum concrete thickness of three (3) inches around any conduit. The duct envelope shall be sized and placed as shown on construction documents. ll conduit and ducts must be terminated with bell ends at the manhole, facility or other termination point. Where trench walls are unstable or the trench width is wider than the envelope, the envelope shall be formed as required.
Duct spacers shall be provided at a maximum of seven feet intervals. Conduit shall be anchored at three (3) foot six (6) inch intervals and at each spacer to prevent duct floating during concrete installation.
Each duct run shall be done with a continuous concrete pour. Broken pours are not allowed without written exception from University Planning, Design, and Construction and provided #4 re-bar or larger is extended twelve (12) inches beyond the end of the envelope at the end of each day's pour and at all stub-outs.
- 1.4.1 GENERAL
Manholes shall not be smaller than 7 feet wide, 7 feet long and 7 feet high.
The maximum depth of all manholes shall be ten (10) feet from the manhole cover to bottom of the manhole, unless otherwise approved by Telecommunications Center.
The manhole cover and opening shall be round, 36 inches in diameter and shall be engraved with the word "Communications." Manhole covers shall not have recessed handles that pull out when needed for removal. Notched type covers shall be used. The manhole number shall be assigned by Telecommunications Center or Physical Plant.
The maximum distance between manholes connected in any one run shall not exceed 400 feet.
Pullboxes will be used only with the agreement and permission of the Telecommunications Center. Specifications will be provided to installer on a per use basis.
- 1.4.2 INTERIOR
All materials used in a manhole shall be resistant to corrosion. All steel shall be galvanized or zinc coated. All racks in manholes shall be galvanized or zinc coated steel.
Manholes shall have pulling rings opposite to the conduit entrance on each wall.
- 1.5.1 GENERAL
Detailed diagrams can be obtained from the University of Mississippi Department of Physical Plant or Telecommunications Center if available. Refer any questions specifically not addressed in this document to Telecommunications Center.
Section 2 - TELECOMMUNICATIONS ROOMS AND CABLE TERMINATION
- 2.1.1 DEFINITION
Telecommunication rooms are special-purpose rooms that house telecommunications equipment and wiring. These rooms have specific requirements due to the nature, size and complexity of the equipment and wiring housed in the room.
- 2.1.2 SPACE
There are two different types of telecommunications rooms within a building, each supporting critical functions as part of the building wiring and communications systems. In general, each room must be large enough to accommodate the wiring and equipment, which will be located within them, plus additional space for growth. The two types of rooms are:
- The Telecommunications Distribution Equipment Room (TDER), Main Distribution Frame (MDF) or Main Cross-connect (MC). MC will be used here. There is normally only one MC per building. This room may serve as what is sometimes called the node room and house Data Switches, Routers, and Telecom related electronic equipment.
- The Wiring Closet, Intermediate Distribution Frame (IDF), Intermediate Cross-connect (IC), Horizontal Cross-connect or Telecommunications Room (TR). TC will be used here. There is at least one TC per floor. More than one TC per floor is required when the terminated wiring distance between any communications jack and the TC exceeds 295 feet (90 meters).
The preferable minimum size for a Telecommunication Room is 64 square feet and the preferable dimensions for this room are 8'X8'. In no case shall this room be less than 64 square feet, with the minimum dimension of any side being 8 feet. This room may be shared with telephone equipment and data network equipment and racks. Telecommunications Center shall be contacted for final dimension approval.
- 2.1.3 GENERAL
Project specifications will indicate that Telecommunications Center personnel or its designee are responsible for furnishing, installing and terminating the various types of communications cabling, racks, panels and other items specified in Section 2.
All work shall comply with the National Electrical Code, Local Building Codes, and the University of Mississippi Physical Plant standards.
NOTE: Telecommunications rooms may vary according to the size of the building, number of floors, tenancy characteristics and telecommunications services required. Consideration to the future needs of the facility and the end users is a necessity. Telecommunications Center will have final approval on room dimensions.
Electrical panels, other than those exclusively servicing the telecommunication room in which it is located, are strictly prohibited in telecommunications rooms. Services, which are not telecommunication related, shall also be prohibited in these rooms. This includes, but is not limited to, janitorial services, supply storage, departmental storage, etc. There shall never be an exception to these restrictions. Fire alarm and security panels are not permitted in telecommunication rooms.
A 50 percent growth factor shall be built in and provided in each riser unless otherwise specified; consequently any cable or conduit work that pertains to telecommunications must be designed and/or approved by Telecommunications Center. Project specifications will include this growth factor.
To facilitate the proper installation, routing and placement of cables, wires, premise equipment and terminal fields, telecommunication closets shall be located on each floor, as close as possible to the middle of the building and stacked one above the other, unless otherwise instructed or approved by Telecommunications Center. Architects and Engineers must pay special attention to telecommunication closet locations to overcome distance limitations. The total distance of the conduit path, from outlet to the TC or MC, when the MC also serves as a TC, shall not exceed 295 feet (90 meters) including termination loss.
Every PC or other single device with a network connection must be cabled back to the nearest telecommunications closet in the building. The telecommunication room(s) shall house all and only the equipment directly related to the telecommunications systems and its environmental support systems.
"As Built" drawings shall be submitted by the project contractor to Telecommunications Center with each job upon acceptance. These drawings will be used by Telecommunications Center and various other University of Mississippi departments.
- 2.2.1 GENERAL
All telecommunications room doors are to be keyed alike and according to the Physical Plant specifications.
Doorways shall be designed with minimum measurements of 3'-0" by 6'-8" and shall open outward into the corridor.
Floors shall be sealed concrete or tile, carpet is prohibited.
Telecommunication rooms shall be located above any threat of flooding. Rooms located in basements shall have floor drains with positive drainage, otherwise sump pumps must be provided. When sump pumps are required, they shall be connected to an emergency power supply.
Fire rated plywood, 3/4 inch thick, must be mechanically fastened to the walls specified in the project specifications of each Main Cross-connect Room and Telecommunication Closet. The fire rated plywood must be fastened in a way that is easily removable. The fire rated plywood shall be painted with two (2) coats of fire resistant paint of a neutral color. The fire rated plywood is to begin at four (4) inches AFF (above finished floor) and end at 8'-4" AFF.
The recommended ceiling height is minimum 8'-6". Finished ceilings are not required in telecommunications rooms.
Install a minimum of 4 (four) 4 inch sleeves between telecommunications rooms, with sleeves extended 4 (four) inches AFF. In buildings with Plenum rated ceilings, EMT multi-cell conduit shall be used to connect telecommunication closets together. Buildings taller than 4 stories shall require an increase in the minimum number of sleeves as follows:
- 5-8 stories: 8 sleeves floors 1-4 / 4 sleeves floors 5-8
- 9-12 stories: 12 sleeves floors 1-4 / 8 sleeves floors 5-8 / 4 sleeves floors 9-12
- 2.2.2 ENVIRONMENT
All telecommunications rooms shall be environmentally controlled to maintain the room environment at a temperature range of 65 to 75 degrees Fahrenheit, with a relative humidity level of 35 to 75 percent non-conducting, 24 hours a day, 7 days a week. Telecommunications rooms shall be conditioned with a fresh air exchange of three (3) air changes per hour. If HVAC must be shut down then an exhaust connected to emergency power must be provided to remove heat. Generally the system must remove 7,000 BTU per hour.
No plumbing, HVAC, or electrical conduit shall pass through or be directly above any telecommunications room.
- 2.2.3 ELECTRICAL
Lighting shall be four (4) foot fluorescent type and provide a minimum of 50 FC at 3 feet above the floor and be connected to the emergency generator when available.
A minimum of four double duplex AC outlets must be provided to power telephone system components, computer interfaces, network electronics and other telecommunications requirements. Outlets must be flush when cut through plywood. Outlet locations will be determined during the building design stage.
Each double duplex outlet shall be connected to a dedicated circuit breaker. Each dedicated electrical circuit shall be 20-amp, 110V, 60 HZ type. All circuits must be tied to an emergency generator when available. All outlets shall be labeled with panel and circuit location.
All breaker panels are to be labeled and identified to avoid being turned off in error. Breakers servicing the telecommunication room shall be equipped with locking devices to prevent turn off. A minimum of 4 (four) 20-amp circuits are to feed each room.
- 2.2.4 GROUNDING
All telecommunications rooms shall have a grounding bar, which shall be 3 feet long for the TC and 10 feet long for the MC. Both shall be 4 inches wide by 1/4 inch thick with pre drilled NEMA bolt hole sizing and spacing. This bar shall be attached to the main building grounding system with a wire not smaller than #6 AWG copper. The ground wire shall not share the cable tray with communications cabling. It may be installed in a separate conduit, which may be attached to the outside of the communications cabling cable tray.
Each distribution point shall be grounded to the main building ground, NEC and EIA/TIA 607 requirement shall be followed.
- 2.2.5 LABELING
Communications, computer and television conduit is to be clearly identified, at every junction box, via a painted section or by use of conduit stickers indicating each conduit run:
- Green = computer and telephone
- Yellow = television
- Orange = fiber optic
All riser cables shall be properly marked with "from and to" indicators. Marker is to be a flat piece of aluminum or wire tied plastic labels. This marking shall be permanent and indicate:
- The Origination (Cable it is feeding from Main Cross-connect Room #) to,
- The Destination (Telecommunications room# it is feeding).
- 2.3.1 GENERAL
A 50 percent growth factor shall be built in for riser cable and provided for unless otherwise specified; consequently any cable work that pertains to telecommunications must be designed and/or approved by Telecommunications Center. Project specifications will include this growth factor.
All riser cables that extend from the Main Cross-connect Room to each Telecommunication Closet must be 100 percent terminated in the Main Cross-connect Room and in each Telecommunication Closet.
Plenum or PVC communications cable may be run exposed above ceilings, provided this cabling is supported independent of other utilities, such as conduits, pipes, ceiling support systems, and not laid directly on the ceiling panels. PVC jacketed cable may be used in non-plenum areas if such use meets NFPA and NEC standards and codes.
Each telephone and data station cable shall have a minimum of 4 pairs; in some cases a larger cable may be required. Telecommunications Center will inform its designee or the contractor, via the project specifications, in such cases.
To facilitate future cable installations, a new pull string, tied off at both ends, shall be installed in conduit simultaneously with the pull-in of cable.
All installed station communication cables shall be minimum copper 4 pair, 24 AWG UTP, Category 6 (Enhanced), tested to 400 megahertz for voice and data.
- 2.3.2 VOICE RISER CABLE
Voice riser cable shall be copper, 24 AWG UTP, category 6. All station and riser cable shall be run through and held in place with D-Rings in telecommunications rooms and/or by use of wiretray. Terminate on 66 CAT5e connecting blocks. Block placement and management backboards/relay rack location will be specified by Telecommunications Center. Designation strips with cable counts and jack ID shall be installed in all cases.
- 2.3.3 DATA RISER CABLE
All data riser cable will be optical fiber cable, of either multi-mode and/or single-mode type. In circumstances when optical fiber cable is not practical, category 6, 24 AWG, 25 pair UTP cable shall be installed.
- 2.3.4 FIBER OPTIC RISER
Fiber optic riser cable shall consist of 12 strands of multi-mode fiber and a second cable consisting of 6 strands of single mode fiber, minimum. Termination in the MC and TC shall be on standard fiber patch panels utilizing ST type connectors. Fiber riser shall be installed in riser-rated inner-duct (3/4" I.D. min). or EMT multi –cell conduit.
2.4 RACKS AND PANELS
- 2.4.1 GENERAL
Each distribution point on the telecommunication room backboard shall be identified as a building entrance and/or a floor service panel.
Junction/pull boxes are to be provided on any conduit run longer than 80 feet.
All voice terminations at the MC will be on standard raised 66 CAT5e connecting blocks, mounted on relay rack or backboards. All data terminations at the TC will be terminated on CAT 6 RJ45 jacks and inserted into QuickPort connecting panels mounted on relay racks. Where space permits, freestanding racks should be installed in the MC and the TC and all terminations should be installed on the racks.
2.5 WIRE DRESS
- 2.5.1 VOICE STATION WIRES
Drop from the telecommunication cable tray, bundle and route the unshielded voice pair groups to the 66 CAT5e connecting blocks located on the relay rack. Organize and label the cables in sequentially numbered order.
- 2.5.2 DATA STATION WIRES
Drop from telecommunications room cable tray, bundle and route to the data patch panel located on the relay rack. Organize and label the cables in serially numbered order.
2.6 VOICE/DATA RACK AND PATCH PANEL
- To install network distribution panels and
associated equipment use the following installation method.
- One or more 48 port horizontal panels will be dedicated to each floor. Under no circumstances shall more than one floor share a 48 port panel section. Panels will be installed with the top most floor at the top of the rack and then in descending order by floor.
- Additional racks may be required to satisfy this layout. If so, the top most floor will be located in the left most rack starting again from the top of the rack and then in descending order.
- Panel labels shall match the jack labels as described in Section 3.1.2. Each 48 port panel section shall be labeled with the floor code letter.
- The right most rack is reserved for mounting network electronics and support equipment.
- 2.6.1 PUNCH DOWN ON SURFACE MOUNTED BACKBOARDS
Lay down all station wire pairs in serially numbered order from lowest serial number at the top left most position to the highest serial number at the bottom right position.
Use 66 CAT5e connecting blocks. Route all cables to be punched down to these blocks starting on the left most edge down to the base of the backboard then over and up to the block dressing the cable under the mounting legs. Fasten the mounting brackets to the plywood backboard with #10 x 3/4 inch Phillips head screws.
VOICE 4-Pair -- Use 66 CAT5e 100 pair 66 CAT5e blocks. Locate the punch blocks on the plywood wiring surface in the area designated as Voice Station Wires. Set blocks in top/down fashion and butt adjacent to each other when installing left to right. Punch down the four (4) unshielded pairs on the block. Minimum bend radius must meet the cable manufacturer's specifications for category 6 wiring.
DATA 4-Pair -- Use rack mounted QuickPort patch panels. Punch down the four (4) unshielded pairs on the RJ45 jack.
NOTE: The blocks/panels for terminating the cable may be located on the floor above or below the floor on which the station jack is located. If this is the case, install panels in top/down fashion. Minimum bend radius must meet the cable manufacturer's specifications for category 6 wiring.
- 2.6.2 TERMINATIING AND CABLING STANDARDIZED PRODUCTS
Contact the Telecommunications Center for the equipment required for all installations. Exceptions or substitutions must be approved by Telecommunications Center.
In TCs and MCs serving as a TC containing data terminations, mount two free standing relay racks in the indicated location. Position the racks to maintain a minimum of three (3) feet clearance from the front of the rack to the front facing room wall and three (3) feet clearance from the rear of the rack to the rear facing room wall. If a row of racks is to be installed in a telecommunications room, maintain a minimum of two (2) foot clearance from the rightmost or leftmost rack to the opposing wall. Anchor racks to the finished floor. Ground the rack to the telecommunications room grounding busbar with #6 AWG copper wire.
Mount the voice network riser blocks in the left most rack starting under the fiber interface unit if one is installed. If no fiber interface unit is installed or to be installed in the future, start at the top. Lay out the voice network blocks in ascending serially numbered order from top left to bottom right.
When data jacks for multiple floors are serviced out of the same TC or MC serving as a TC, the QuickPort panels shall be laid out and labeled as follows:
Section 3 - COMMUNICATION OUTLETS - INSIDE PLANT WIRING AND RACEWAYS
- 3.1.1 OVERVIEW
All telephone, data, video station cabling shall be continuous cabling from the TC for voice, data, video to the communication outlet. All station cables will be free of kinks, chafes, and tight bends. Any ceiling tiles removed by the contractor for cable installation will be re-installed in good condition. Replacement of damaged tiles is the contractor's responsibility at no cost to the university.
The building occupant's present and future requirements will determine the needs of multiple jack outlets. Final approval for the layout of jacks shall rest with the Telecommunications Center. During the programming stage Telecommunications Center, consulting with the building occupant(s), will supply the jack layout desired to the project architect for inclusion in the project specifications.
All voice jacks shall terminate in RJ-45 eight (8) conductor CAT 6 modular jack assemblies. The voice jack shall be the top port(s) in the wall plate. If only one voice jack, it should be terminated in the upper left port. Wire color-coding shall be per EIA/TIA-568B specifications.
All data jacks shall terminate in RJ-45 eight (8) conductor CAT 6 modular jack assemblies. The data jack shall be the lower port(s) in the wall plate. If only one data jack, it should be terminated in the lower left port. Wire color coding shall be per EIA/TIA-568B specifications.
All pairs shall be terminated on both voice and data jacks.
The total wire path length from the data outlet to the telecommunications room block must not exceed 295 feet (90 meters). This is important to meet Ethernet requirements of IEEE 802.3. Please note that in most cases the TC which houses network electronics will service both the voice and data jacks on the floor it is on. This must be considered when determining adherence to the maximum length for the data outlet wiring.
- 3.1.2 LABELING
Each end of all cables will be labeled at their termination locations.
All jack modules shall be color coded to University of Mississippi standards indicating that the top left jack is voice (blue) and that the bottom left jack is data (red). The faceplate shall be white.
Horizontal mounted jack positions shall be voice on the left and data on the right.
Dual voice/data jacks will utilize a single gang or double gang position face plate with voice jacks in the top two positions, data jacks in the bottom two positions and blank fillers in the spare positions.
All jacks shall be marked with identification numbers as detailed below.
Telecommunications Center will provide the identification number range to be used for the building(s). Upon project completion, the installing contractor or designee of Telecommunications Center a list of jack identification numbers used, their corresponding room numbers, location within the room, and punch block or data panel termination points. Jack identification numbers, at the jack locations, shall also be placed on the as built drawings provided by the contractor.
- 3.1.3 WIRING
Wiring for voice lines must be BLUE category 6 or greater as specified in the plans or specifications. Wiring for data circuits must be RED category 6 or greater as specified in the plans or specification.
Note: Level 3, 24 AWG UTP wiring is only to be used for voice riser cable.
3.2 COMMUNICATION OUTLET LOCATION
- 3.2.1 LOCATIONS AND QUANTITIES
Unless otherwise specified, a Standard Communications Outlet (SCO), shall consist of a voice jack, a data jack, and two spare ports. Other communication outlets may be installed depending on the function for that particular office or room.
- Faculty Offices: Two (2) SCOs per designated occupant. Outlets are to be installed on opposite walls. Any wall greater than 15 ft. in length shall have outlets spaced evenly apart at no more than 7 ft. intervals. Any wall greater than 15 ft. in length shall have outlets spaced evenly apart at no more than 7 ft. intervals.
- Clerical/Staff Offices/Graduate Student Offices: One (1) SCO at the location of each desk.
- Conference Rooms: One (1) SCO and one CATV outlet per room for rooms up to 200 square feet. A minimum of four (4) SCOs and two CATV outlets per room for rooms over 200 square feet. One (1) SCO shall be located on each wall. CATV outlets will be opposite from each other. Rooms with more than 500 square feet shall have additional outlets equally spaced on each wall. CATV outlet can be incorporated into a SCO spare port.
- Laboratories: One (1) SCO for each desk space. One ADA wall mount height jack located inside laboratory near doorway for wall mounted telephone. Additional outlet requirements will be determined based on size and in the design phase of the project.
- Classrooms/Lecture Halls/Auditoriums: Classrooms with
teaching stations are required to have two (2) communication
jacks. One designated for data, one spare. A video cable shall
also be installed at the teaching station. Classrooms without a
teaching station shall use the following guidelines for video
- Number of Jacks: 1 Student Occupancy: 1-15 Student CATV Outlets: 1
- Number of Jacks: 2 Student Occupancy: 15-50 Student CATV Outlets: 2
- Number of Jacks: 4 Student Occupancy: 50-More Student CATV Outlets: 4
- Residence Hall Rooms: One (1) data communication jack per occupant or potential occupant of each room. One (1) telephone jack per room. One (1) CATV outlet per room. The locations will be determined during design stages of the project.
- Residence Hall Lounges: One (1) or more communication jacks and one (1) CATV outlet per lounge. The quantity and locations will be determined during design stages of the project.
- Storage Areas: One (1) communication outlet per room. Two (2) outlets for rooms over 500 square feet and one (1) additional outlet for each additional 2000 square feet.
- Mechanical Rooms: Consult the Physical Plant.
- Some rooms require communications outlets for telephones or energy management devices.
- Main Cross-connect Room and Telecommunication closets: One (1) communication jack per room minimum.
3.3 COMMUNICATION OUTLET INSTALLATION
- 3.3.1 MOUNTING
Use a dual gang outlet box similar to Steel City, part number 72171-3/4 or Telecommunications Center approved equivalent. When mounting the outlet box in a steel studded wall, use a back brace. Use Steel City plaster rings, part number 72-C13, (single gang) or 72-C-17 (double gang) or the Telecommunications Center approved equivalent. It is absolutely critical that the inside opening area match the outlet installation enclosure. The plaster rings must be level and positioned flush with the finished surface. For single voice/data outlets use a single gang plaster ring.
Outlets are to be mounted at standard industry heights and positions, unless otherwise specified by the Facilities Planning and/or Telecommunications Center. Standard mounting height of communication outlets:
- Desk 18 inches, AFF (above finished floor)(Single gang plaster ring).
- Handicapped wall mount 48 inches, AFF (Single gang plaster ring only).
- High Tech Classroom (See Section 4).
- CATV cable in classroom, auditorium, clinic lobby or lounge is normally installed at the height of TV mounting. CATV cable in offices, dorm rooms, or conference rooms is to be incorporated into the communications outlet.
3.4 COMMUNICATION JACKS
- 3.4.1 At each jack location Category 6 enhanced components
shall be installed. For each pair of cables a Panduit 106 frame is
required. All conduit and makeup boxes at each workstation jack
shall be at least 2-1/8" deep. If installation is in a single gang
EMT or Makeup box, a Single Gang Faceplate is needed. If
installation is in a double gang box, a Double Gang Faceplate is
- 3.4.2 Panduit 106 Data Frame inserts shall be used in the
connector housing. Single inserts or dual inserts shall be used
for voice, and Category 6 enhanced inserts shall be used for data.
If no insert is required, a blank cover shall be installed. Part
numbers for the inserts are as follows:
- Red Category 6 Inserts Panduit CJ688TPRD
- Blue Category 6 Inserts Panduit CJ688TPBU
- Blank Inserts Panduit CMFBAxx
- F81 Splice Barrel Connector CMFBAxx
- 3.4.3 Voice (blue) is on the left; Data (red) is on the right of the 106 frames.
3.5 WIRING PATHWAYS
- 3.5.1 GENERAL
To avoid electromagnetic interference (EMI), all pathways should provide clearance of at least:
- 4 feet (1.2 m) from motors or transformers
- 1 foot (0.3 m) from conduit and cables used for electrical power distribution
- 5 in. (12 cm) from fluorescent lighting or power lines over 2kVA and up to 24 inches from any power line over 5kVA.
- 3.6.1 GENERAL
All conduit work shall meet the requirements of the National Electrical Code.
All voice, data and video wiring inside rooms shall be protected by metallic conduit or other means such as wire mold or troughs in the floor. Aluminum is not acceptable in caustic environments. Plastic surface mount molding is not acceptable in any application. EMT conduit or metal surface mount molding shall be used for all interior wiring. All conduit is to be concealed whenever possible.
No more than an equivalent of two (2) 90 degree bends are allowed in a run between junction boxes or pull boxes.
No 90-1/4 conduit (LBs) are permitted.
Entrance to junction boxes or distribution panels shall be adjacent to the corners or directly across from each other.
The use of plenum cable instead of conduit shall be determined on a case by case basis. Telecommunications Center must be contacted for approval.
In major renovation and new construction projects where the Main Cross-connect Room and Telecommunication Closets are not in alignment, the contract shall include provisions for installation of four (4) riser conduits (4 inches minimum diameter) from the MC to each TC. A pull string and appropriate junction pull box shall also be provided in each conduit run to facilitate future installation of cable(s).
To reduce EMI, all conduit in slab shall be a minimum of 1 1/4 inches galvanized steel with threaded fittings. All exceptions shall be determined during the design stage of the project and shall be subject to the approval of Telecommunications Center.
All sleeves must protrude four (4) inches AFF and below and be capped at both ends. Coordinate with Telecommunications Center for the number of conduits entering the facility.
No horizontal conduit run shall be more than 80 feet between pull boxes.
Conduit for telephone or computer outlets shall be terminated in a dual gang box. Steel City, part numbers 52151-1, 72151-1, 52-C-17 or 72-C-17 for one (1) inch with dual gang plaster ring and 52151-3/4, 72151-3/4, 52-C-13 or 72-C-13, for 3/4 inch with single gang plastic ring. Telecommunications Center approved equivalents to the Steel City part numbers may be used.
All communications outlets shall be minimum 3/4 inch conduit, with a minimum of bends, from the outlet to the cable tray, wire way or homerun directly to the telecommunications room. Home run conduit is required when the cable path above the ceiling is not easily accessible. Examples of ceilings where conduit is required include dry wall and interlocking ceiling tiles. Pull boxes must be installed every 180 degrees or 80 feet of the conduit run. See Section 4. for conduit installation requirement for High Tech Classroom outlets.
- 3.6.2 CONDUIT CAPACITY
Conduit shall be sized using industry standard guidelines for telecommunications distribution methods. Such guidelines can be found in the Building Industry Consulting Service International (BICSI) Telecommunications Distribution Methods Manual.
3.7 LADDER/CABLE/WIRE TRAYS
- 3.7.1 GENERAL
All ladder trays shall be designed to accommodate all types of communication cabling, consequently any cable work that pertains to telecommunications must be designed and/or approved by Telecommunications Center.
The minimum dimensions for a ladder tray shall be 12 inches wide and 4 inches deep. In certain instances, only when indicated in the design specifications, a 6 inch wide by 3 inch deep tray may be used.
Contract documents shall show cross section of the communication wire way or cable tray. The drawing must show reference to other utilities in the building.
All conduits terminating at a cable tray must be easily accessible. Avoid ending conduits at tray in locations that are not accessible by removable ceiling tile or ceiling access panel. All conduits which are to be connected to the cable tray are to be connected according to the manufacturer's specifications and must meet the NEC.
Consideration may be given for installation of other types of cables in a ladder tray to prevent interference on unshielded cables. Location of such installation shall be approved by Telecommunications Center.
Ladder tray (cable tray) or wire way is to be supported with allthread rods in a trapeze form. Supports for cable trays larger than 12 inches in width are to be installed according to the manufacturer's specifications. Supports for cable trays 12 inches or less may be farther apart but must meet the manufacturer's installation requirements. A single support is not acceptable. All supports are to be fastened to the building structure above.
Telecommunications Center or its designee will not install any cable or perform any work until all installations are made to comply with specifications.
- 3.7.2 MOUNTING
Cable trays must maintain a minimum of six (6) inch clearance from obstructions above the tray and a minimum of eight (8) feet AFF. Trays are to provide access via the most direct path to all communications outlets on the floor.
Install sweeping factory 90's for all turns. Use end-of tray termination's where wire drops down to walls to prevent abrasions and cuts from metal tray edges. Use a trapeze cable tray mounting method suspended by manufacturer recommended size allthread. Fasten allthread to ceiling anchors, allowing no bends in allthread. Support the cable tray in this manner at every section-to-section junction and at five (5) feet to six (6) feet intervals (mid span) between joints. Whenever possible, the tray should be no closer than six (6) inches from the structural ceiling, ducts or pipes, considering all other possible obstructions. A minimum of 5 inches distance from lighting, especially fluorescent lighting, is required.
3.8 OPEN TOP CABLE SUPPORTS AND RINGS
- 3.8.1 GENERAL
126.96.36.199 All open top cable supports (J-supports) and cable rings must be suspended from or attached to the structural ceiling or walls with hardware or other installation aids specifically designed to support their weight. When used, J-supports or cable rings shall be located on 48 to 60 inch centers to adequately support and distribute the cables weight. These types of supports may typically hold up to fifty 0.25 inch diameter cables.
188.8.131.52 For larger quantities of cables that convene at the Telecommunication Closets, provide cable trays or other special supports that are specifically designed to support the required cable weight and volume.
184.108.40.206 Hooks and straps shall be attached to building members with fasteners appropriate for the material. Wood screws or lag bolts shall be used for wood, wood screws with plastic anchors shall be used for plaster and concrete, and self-taping screws shall be used for sheet metal. Threaded metal hooks attached to threaded anchors are also acceptable.
220.127.116.11 Unistrut may be used where necessary to support large bundles of cables or to provide attachment points for EMT, metal Makeup, or Panduit raceway. Unistrut allthread hangers shall be mounted with threaded anchors.
18.104.22.168 Large hooks that will carry the weight of many cables shall be attached with lag bolts, metal concrete anchors, or metal anchors with epoxy. The anchors shall extend into the mounting material at least 3 inches.
22.214.171.124 Straps and hooks shall be oversized so that additional cables can easily be installed in the future. Hooks and straps shall be filled to no more than 75% of the capacity.
126.96.36.199 Hooks or straps shall be mounted no more than four feet apart. Closer spacing may be necessary in areas where cables are routed around corners or are in close proximity to other mechanical electrical systems.
188.8.131.52 In special cases where the area above lay-in ceilings has obstructions and attaching straps to the ceiling is difficult or impossible, straps can be attached to metal clips mounted on wire hangers that hold up the ceiling grid.
184.108.40.206 When cables are installed in the wall no box is required, but a mounting bracket shall be mounted securely in the wall.
220.127.116.11 All conduit and makeup boxes at each workstation jack shall be at least 2-1/8" deep. This depth is required to accommodate the Category 6 enhanced (CAT6) jack. When a box is used as both a jack and pull box, the minimum box depth shall be 3-1/8". If fiber is installed in the box an Ortronix extender plate is to be used.
18.104.22.168 In instances where EMT (metal conduit) is used, all empty conduits shall contain a pull string. A pull box, splice box, or pulling point containing pull strings in each direction shall be installed for any constrained pathway where there are more than two 90 degree bends, a 180 degree reverse bend or length greater than 100 feet.
22.214.171.124 Cable in exposed finished areas shall be installed in raceway such as EMT conduit, metal Makeup, or Panduit.
3.9 UNDERFLOOR DUCT SYSTEM
- 3.9.1 GENERAL
This type of raceway is to be used minimally at all costs. Care must be taken to design a system that will consider electrical and communications requirements. Adequate electricity must be available at all locations. With proper planning, an adequate system can be installed but it is discouraged.
Section 4 - TELEVISION CABLE
- 4.1.1 GENERAL
Project specifications will indicate who is to be responsible for furnishing, installing and terminating the various types of communications cabling, outlets, panels and other components specified in this section. Unless otherwise noted, Telecommunications Center personnel or its designee will be responsible.
- 4.1.2 LABELING
Television cables are to be clearly identified via a painted section or by use of conduit stickers indicating each conduit run; Yellow = television.
- 4.1.3 CABLE
126.96.36.199 Maximum cable distance must not exceed 90 meters (295ft) or less. If the length of any cable run (RG6) inside exceeds the 90-meter limitation, additional communications equipment rooms shall be used.
188.8.131.52 Cable type to be used is RG6,Shielded 60 % to 77 % braid 75-Ohm Coaxial Cable. This can be found in Either Times Fiber or CommScope. Times Fiber parts # - 02360 - T660-VB Standard. CommScope parts # F677TSV.
184.108.40.206 RG-6 Connector, LRC AUGAT SNAP-N-SEAL Part # SNS6. The two tools that will be needed to prep the cable and to compress the connector on are, Compression tool Part #: SNSUTL. The Coaxial cable Prep tool Part # CST596.
220.127.116.11 500 OR ½ MAIN LINE CABLE: The .500 cable will run from the basement to the first floor where it will be cut leaving a 6 ft tail. The cable leaving the first floor will also have a 6 ft tail this will be repeated at each communications room up to the top floor where 1 – 6ft tail will end the process. This cable has a minimum bending radius of 30 in. the reason for this is the aluminum shield will break. 18.104.22.168 Coaxial Cable Part Numbers: The part # for the .500 Coaxial Cable installed inside the building from floor to floor is Times Fiber is T10500JX or CommScope PIII 500 JCA. The part # for cable installed outside the building from the pedestal to the building is CommScope PIII 500 JCASP
Television outlet cable shall be RG-6/U type quad-shielded coaxial 75 ohm.
Television riser cables in multi-story buildings or buildings with basement MCs and first floor TCs shall be .5 inch rigid aluminum cable (hard-line) or single-mode fiber.
CATV outside plant cable for all tunnel and underground conduit locations shall be .5 inch rigid aluminum cable (hard-line) or single-mode fiber.
- 4.1.4 OUTLETS
Each TV outlet may provide video capabilities and are generally terminated in a type F male connector on a standard wall plate or incorporated into a multi-port faceplate. Customer requirements will be conveyed to Telecommunications Center.
Each outlet shall be home run to the nearest Telecommunication Closet.
4.2 VIDEO/PROJECTION DEVICES
- 4.2.1 GENERAL
Information Technology Instructional Technology shall provide the specifications and cable parts for projection devices and /or monitors.
Projection devices are either ceiling or table type mounts. In each case the conduit must be connected to the front of the classroom or control area.
4.3 HIGH TECH CLASSROOMS
- 4.3.1 GENERAL
Information Technology Instructional Technology shall provide the specifications for the conduit installation and outlet(s) required for a room designated as a High Tech Classroom.
A High Tech Classroom outlet will provide for the connection of voice, data, video, audio and control devices.
- 4.3.2 LABELING
Each end of all cables (UTP, coax, fiber, audio, etc.) and all pairs will be labeled at their termination locations.
- 4.3.3 CONDUIT / OUTLET BOXES
In general, the necessary conduit shall be provided as follows:
- Primary High Tech Classroom outlet box (4"X4"X3") in front of room or teaching station to hall cable tray
- Two 1"Primary High Tech Classroom outlet to ceiling mounted box (6"X6"X4") servicing video projector
- One 2" Primary Tech Classroom outlet to two audio outlet boxes (standard outlet box) servicing stereo speakers and/or wall mounted monitor
- One 3/4" per audio outlet
- 4.3.4 CABLE
The voice UTP cable shall each be four (4) pair category 6, 400 Megahertz (minimum) cable.
The data and spare UTP cable shall be four (4) pair category 6, 400 Megahertz (minimum) cable.
The video cables will be RG6/U quadshield coax.
The fiber will be 62.5/125 multimode duplex fiber - one (1) pair per outlet.
- 4.3.5 OUTLETS
The communication outlet will contain a EIA/TIA-568B jack for voice, an EIA/TIA-568B jack for data, an EIA/TIA-568B jack for spare, an F connector for received video, 1 pair of fiber terminated in ST connectors for future data and video requirements and a blank filler for future jack requirements.
- 4.3.6 PATCH PANELS AND TERMINATIONS
The High Tech Classroom cables shall be terminated in the MC or TC as follows:
- Voice 4 pair category 6 - voice 66 CAT5e punch block
- Data 4 pair category 6 - data panel
- Spare 4 pair category 6 - data panel
- RG-6/U quad-shield coax - type F female connector, coiled and wire tied or terminated on tap
- Data/Video fiber (1 pair) - Coiled and terminated ST in FIU. (Fiber Interface Unit)
Section 5 - PROTECTION, GROUNDING AND BONDING
5.1 LIGHTNING PROTECTION
- 5.1.1 GENERAL
Lightning protection of telecommunications facilities is essential. While federal and state standards must be adhered to, local conditions may require additional investigation and/or modifications to meet site, equipment, environmental or safety requirements.
NEC Articles 250 "Grounding" and 800 "Communications Circuits" cover general requirements for grounding, bonding and protecting electrical and communications circuits. NFPA 78 "Lightning Protection" addresses zone protection and other items which are beneficial.
All cabling (including grounding to building ground) within the building and entrance facilities shall be installed with protection from lightning and power surges via grounding and bonding.
- 5.1.2 MATERIALS
The three most frequently used lightning protectors are listed below. Consult Telecommunications Center for a determination of the most appropriate protection for the condition.
- AT&T Protector -- AT&T, part number 189B1-25 for 25 pair protection
- AT&T Protector -- AT&T, part number 189B1-50 for 50 pair protection
- AT&T Protector -- AT&T, part number 189B1-100 for 100 pair
Homaco part number 50M-201-____19 rack mounting shall be provided. (ITCS will specify part number suffix required for the particular application.)
RELTEC Protection Block -- part number R66P25QCVS. The gas protection module shall be AT&T, part number 3B1E-W.
Use AT&T, part number 110ANA1-06 for single drops of 6-pair or less. Use AT&T, part number 3B1E-W gas protector modules.
- 5.2.1 GENERAL
All MC grounding shall use a single point scheme from the building main transformer. EIA/TIA 607 requirements must be followed.
All shields shall be bonded to a common ground.
All riser cable must be shielded and properly grounded to the building ground through grounding facilities provided at the MC (Main Cross-connect Room).
All protector blocks shall be connected to the backboard ground busbar using NEC code 6 AWG copper wire.
- 5.3.1 GENERAL
Bonding is to be durable, strong and of low impedance to assure electrical continuity. EIA/TIA 607 requirements must be followed.
All conduit terminating to cable trays and wireways shall be mechanically fastened to the tray clamps or equivalent. The cable tray or wire way shall be grounded to the main building grounding system with a wire not smaller than #6 AWG copper.
A resistance of .001 ohm or less indicates a high-quality junction and is required per the Building Industry Consulting Services International (BICSI) Telecommunications Distribution Methods Manual.
Section 6 - INSPECTION, TESTING AND DOCUMENTATION
6.1 INSPECTION OF WORK
- 6.1.1 GENERAL
Telecommunications Center or its designees shall have access to construction sites.
To enable Telecommunications Center to inspect telecommunications facilities work, the contractor must:
- Provide a progress schedule with the installation of telephone raceways and spaces shown as a separate item.
- Immediately notify Telecommunications Center of any change in architectural drawings and/or plans affecting telecommunications.
- Provide proper access to facilities for inspections.
- Notify Telecommunications Center when any work is ready for inspection.
Per contract documents, the contractor shall provide a final checkout certification letter and inspection reports to Telecommunications Center on all telecommunications work.
- 6.2.1 GENERAL
The contractor shall submit to Telecommunications Center, a detailed test procedure to be used for every project. All cables shall be tested for length, attenuation, impedance, grounds, shorts, reversals, and continuity of communications conductors and shields. See Section 10. for testing requirements for fiber optic cable.
Upon completion, test results shall be submitted to Telecommunications Center for final approval and acceptance and made part of the document. The contractor shall guarantee 100 percent continuity on all conductors on all cables.
Telecommunications Center will perform verification testing it deems necessary before accepting a job. Failure during testing will result in re-pulling cables at the contractor expense.
- 6.2.2 STATION CABLES
All category 6 station cable shall be tested to category 6 standards. Station cables that do no pass the test will be repaired or replaced by the contractor at no additional cost and re-tested to meet the required specifications. Telecommunications Center recommends using a Fluke DTX-1200 CAT 6 tester for testing the cable or equivalent. The contractor will provide to Telecommunications Center documented readable test results for all stations. The format will comply with Telecommunications Center Documentation Standards.
6.3 DOCUMENTATION STANDARDS
- 6.3.1 CONTRACTOR DOCUMENTATION REQUIREMENTS
Cable records during installation and complete sets of cable records are required at project completion. Labeling of all termination hardware and cabinets with information provided by Telecommunications Center. A complete set of as-built drawings upon completion of the project, both on marked up blueprints and in AutoCAD type (e.g., DXF format on 3.5" diskettes). Telecommunications Center will specify the version/release number of AutoCAD acceptable at the time of the project award. OTDR test results to manufacturer's specifications and Telecommunications Center standards for all fiber optic cable installed. Results shall be furnished both in hard copy and on 3.5" diskettes in AutoCAD DXF format. The documentation must include OTDR readings, fiber route diagrams and end-to-end attenuation results for multimode and singlemode fiber cable. All fiber OTDR readings shall be made bi-directionally on all fiber cable.
Station cable tests shall be performed to manufacturer's specifications and Telecommunications Center standards. Test results shall be provided in both hard copy and in AutoCAD format on 3.5" diskettes. Riser cable tests shall be performed to manufacturer's specifications and Telecommunications Center standards. Test results shall be provided in both hard copy and in AutoCAD format on 3.5" diskettes. Trunk cable tests shall be performed to manufacturer's specifications and Telecommunications Center standards. Test results shall be provided in both hard copy and in AutoCAD format on 3.5" diskettes.
- 6.3.2 Telecommunications Center PROVIDED DOCUMENTATION
Contract drawings for the project.
Labeling information for termination equipment.
Section 7 - FIRE STOPPING
Provide fireproof seals in accordance with the National Fire Protection Association (NFPA) and the National Electric Code (NEC), Article 300-21 and EIA/TIA 569 Standards.
Fire stop all penetrations in accordance with the current edition of the National Electrical Code.
Do not use concrete for fire stopping on cable trays, wireways or conduit. Contractors who use this method will be required to replace and test all cables affected.
- All connections must be clearly labeled at
Use a 3/4" inch home run conduit from the outlet to the cable tray, wireway or directly to the telecommunications room, with pull boxes every 80 feet. In the case of an outlet's conduit terminating in a cable tray, the conduit must be mechanically fastened to the cable tray using a UL approved grounding clamp.
The total wire path length from the outlet to the telecommunications room, including loss due to terminations, must not exceed 295 feet (90 meters) from the IDF in any case.
8.2 DETERMINING REQUIREMENTS
- Consult Telecommunications Center for
requirements of specific wiring needs.
8.3 WIRING TYPE
- Consult Telecommunications Center for specifications.
- 8.3.1 THINWIRE 10 BASE-2
Thinwire ethernet cable shall not be installed for any projects.
- 8.3.2 THICKWIRE 10 BASE-5
Thickwire ethernet cable shall not be installed for any projects.
- 8.3.3 TWISTED PAIR
4 pair enhanced Category 6 UTP cable is the minimum cable allowed.
Maximum segment length, is 295 feet (90 meters) from the TC and/or MC serving as a TC.
Do not run data (Ethernet) in the same jacket with voice because of ring voltage.
No splitting of pairs is allowed. This includes cabling used in voice application as well.
Office patch cords must be minimum 350 megahertz category 6 twisted pair.
Closet patch cords must be minimum 350 megahertz category 6 twisted pair.
See Section 3.1.1 for standard wiring on the jacks.
- 8.3.4 APPLETALK
Appletalk (phonenet) cabling is not allowed for any projects.
- 8.3.5 ASYNC
Maximum length shall be 500 feet from the TC.
A minimum of four (4) pair is allocated per circuit.
- 8.3.6 3270 ON UTP
Maximum length shall be 1000 feet from the TC.
A minimum of four (4) pair is allocated per circuit.
Section 9 - WIDE AREA NETWORKS
9.1 SYSTEM DESIGN
- Telecommunications Center will provide the
necessary design. The location of service access points and a list
of materials required for the installation or expansion of the
network will be provided.
Section 10 - FIBER OPTIC TECHNOLOGY
- 10.1.1 GENERAL
Every effort was made to ensure that the information in this document was complete and accurate at the time of printing. However, technology is ever changing, becoming more efficient and effective and is subject to change. All fiber optic planning, installation and specifications shall be approved in advance by Telecommunications Center. All cable that is to be connected or disconnected from the campus telecommunications network such as telephone, data, video, and fiber optics, shall be done by Telecommunications Center or its designee.
The cable shall be new, unused, and of current design and manufacture. Contact Telecommunications Center for the type of fiber optic cable to be used.
- 10.2.1 GENERAL
All new outside plant conduit shall include at least two (2) multi-cell conduits. Proper parts are to be used, consult Telecommunications Center. Innerducts are only used on existing facilities.
Direct burial of fiber optic cable is not allowed.
When installing fiber optic cable in ductwork and manholes between buildings, there shall be a minimum of one complete loop, minimum of 20 feet in length, in the manhole and it shall be pulled in a protective liner inside the manhole to prevent damage to the cable.
All fiber optic cables shall be terminated via a ST connector and properly connected to the distribution panel utilizing a cable end kit for each cable and an end kit for each tube. There shall be a 20 foot service loop at all splice locations and fiber patch panel locations. Fiber cable metallic sheath or strength member shall be grounded to proper ground.
When installing fiber optic cable, in existing conduit which is not Multi-Cell or does not contain flow duct, it shall be pulled in a protective inner liner, minimum 3/4 inch inside diameter. When placed in a cable tray or on a runway where there is the possibility of someone standing, walking or sitting on the cable, it shall be placed inside a protective liner. When a floor trench is utilized (Walker type or equivalent) one chamber will be used exclusively for the fiber.
All cable placed along runways, relay racks and distribution shelves shall comply with the manufacturer's minimum bend radius requirements for that particular type cable. When cable is secured by tiewrap or other fasteners they shall not be pulled so tight at any point that the cable jacket is crushed flat or indented.
Use wireways on verticals of relay racks to accommodate the fiber cable on the backside and the fiber patch cords to the front of racks.
Jumper or patch cords are to be used to connect different fibers together for continuation of service. Do not wrap a jumper completely around a routing guide or other type bracket. When using routing guides on a relay rack always use the rear portion of the guides to hold vertical jumper runs and the front portion of the guides to hold horizontal jumpers. Always use the front routing guide to enter or leave a housing.
There should be a minimum of 20 ft. slack left in a terminal room, mounted in a circular configuration on fire rated plywood (3/4 in.). This is necessary in the event of a fiber break.
All fiber strands shall be terminated in accordance with the industry standard color codes.
Label all fiber cable and all fiber strands at termination locations. Telecommunications Center will provide fiber cable nomenclature.
Test all strands using an optical time domain reflectometer (OTDR) and optical loss test sets (OLTS). Fiber cable runs less than 100 meters in length shall be tested with an approved light meter. Provide computer readable test results of each fiber strand to Telecommunications Center. See Section 6. for additional testing information.
- 10.3.1 QUALITIES
For exact specifications contact Telecommunications Center.
All fibers in the cable must be usable fibers, meet required specifications and be terminated and tested by the installing contractor or ITCS designee.
All optical fibers shall be sufficiently free of surface imperfections and inclusions to meet the optical, mechanical and environmental requirements of this specification.
The fiber(s), whether outside plant or building riser(s), are multimode and singlemode cable consisting of XXX or more multimode and XXX or more singlemode fibers. This fiber cable meets or exceeds the following minimum specifications:
- 62.5/125 micron multimode fiber
- End-to-end attenuation
- 3.75 db @ 160 Mhz @ 1310 Nm per kilometer
- 1.50 db @ 500 Mhz @ 1300 Nm per kilometer
- Singlemode fiber
- .5 db @ 1310 Nm per kilometer
- .4 db @ 1550 Nm per kilometer
- All conduit outlets for house phones,
corridor phones, courtesy phones and pay phones are to meet height
and location requirements in the Americans with Disabilities Act
(ADA) for handicapped access. This standard only refers to
telecommunication requirements. All other utilities are the
responsibility of the department involved.
- 11.1.2 PUBLIC PAY PHONES
TTY, Text Telephones (formally TDD), must be accessible to handicapped individuals.
The height of the coin slot shall be 48 inches for all installations.
If a total number of four (4) or more public pay telephones (including both interior and exterior phones) is provided at a site, and at least one (1) is in an interior location, then at least one interior public text telephone shall be provided.
Where pay phones or pay phone enclosures require electrical service, such electrical service and connections shall be provided by Physical Plant or an electrical contractor.
- 11.1.3 SWIMMING POOLS
When poolside telephone service is desired and there is no building near to hang attachments on, install a pedestal and run a 1 1/4-inch conduit to the location. If the conduit length is longer than 80 feet, install a pullbox according to NEC. All fittings and jacks must be watertight.
- 11.1.4 EMERGENCY, FIRE AND ELEVATOR TELEPHONES
Note the electrical requirements for outside standalone mounted Emergency Phones. Electrical requirements will be provided by Physical Plant or an electrical contractor.
Physical Plant will determine if the circuit will be a dial tone or dry pair.
Section 12 - CODES, STANDARDS AND REGULATIONS
- To design facilities for an effective
telecommunications system, the designer and installer must be
familiar with national and local regulations. Both the designer
and the contractor must be familiar with and adhere to the
standards of the telecommunications and building industries. A
designer hired by the university shall be a current Registered
Communication Design Consultant (RCDD).
- The following agencies and their codes,
standards and regulations shall govern all telecommunications work
performed at the University of Mississippi:
- ANSI American National Standards Institute
- BICSI Building Industry Consulting Service International
- Telecommunications Distribution Methods Manual
- Building Officials and Code BOCA Administrators (Standard Building Code)
- EIA Electronic Industries Association
- FCC Federal Communications Commission
- International Conference of ICBO Building Officials (Uniform Building Code)
- IEEE Institute of Electrical and Electronic Engineers, Inc.
- NBC National Building Code
- NFPA National Fire Protection Association
- NEC National Electrical Code
- TIA Telecommunications Industry Association
- UL Underwriters Laboratories
- University of Mississippi Telecommunications Center Communications Standards
Section 13 - LEGENDS AND SYMBOLS
Single voice Telephone Jack, blue 4-pair cable in a single gang electrical box. (Minimum 3/4 inch Conduit 1 inch Preferred)
Single data workstation jack, red 4-pair cable in a single gang electrical box. (Minimum 3/4 inch Conduit 1 inch Preferred)
Single Cable Television jack mounted in a single-gang electrical box. (Minimum 3/4 inch Conduit 1 inch Preferred)
Single Fiber Optic jack mounted in a single-gang electrical box. (Minimum 3/4 inch Conduit 1 inch Preferred)
Single Cable Television jack mounted in a single-gang electrical box. (Minimum 3/4 inch Conduit 1 inch Preferred)
This symbol will specify a two-gang electrical box. (Minimum 3/4 inch Conduit 1 inch preferred)
Tn - Specifies (n) Telephone Jacks, where n is the number required. Example(V-1,V-2,etc...)
Dn - Specifies (n) Data Jacks, where n is the number required. Example(D-1,D-2,etc...)
TVn - Specifies (n) Television Jacks, where n is the number required.
FOn - Specifies (n) Fiber Optic Jacks, where n is the number required.
T, D2, TV - Specifies an outlet with 1 Telephone, 2 Data, and 1 Cable Television termination.
Section 14 - CONTACT INFORMATION
- A list of University contacts, telephone
numbers, and e-mail addresses is provided for your convenience.
- TELECOMMUNICATIONS CENTER
- David Drewrey (662-915-5210) (email@example.com)
- Michele Mize (662-915-1255) (firstname.lastname@example.org)
- CUSTOMER SERVICES
- Chrissy Lewis (662-915-7748) (email@example.com)
- Emma Ward (662-915-7464) (firstname.lastname@example.org)
- NETWORK FACILITIES
- Dennis Bullard (662-915-7279) (email@example.com)
- OUTSIDE PLANT
- Mary Robinson (662-915-5209) (firstname.lastname@example.org)
- TELEVISON SERVICES
- Stan Fortner (662-915-5215) (email@example.com)