SJAFB wiring policy.doc

MEMORANDUM FOR ALL CONCERNED

FROM 4 CS/CC

SUBJECT: Seymour Johnson AFB Communications Cabling Distribution Standards

1. Purpose. These cabling distribution standards will be used for all new facility construction and facility alteration/modification projects. It will minimize user occupancy delays due to deficiencies in Communications and Information (C&I) systems installation. It will also prevent facility damage and provide a standardized approach for contractor-installed distribution infrastructure on SJAFB. This document is based on Telecommunications Industry Association/Electronics Industries Alliance (TIA/EIA) standards, as well as Air Force Engineering Technical Letter (ETL) 02-12, dtd 27 Jun 02.

2. Referenced Publications. The latest editions of the following publications apply:

· National Fire Protection Association (NFPA) 70, National Electric Code (NEC)

· ANSI/EIA/TIA 568-B, Commercial Building Telecommunications Cabling Standard

· ANSI/EIA/TIA 569-A, Commercial Building Standards for Telecommunications

Pathways and Spaces

· ANSI/EIA/TIA 570-A, Residential Telecommunications Cabling Standard

· ANSI/EIA/TIA 606, Administration Standard for the Telecommunications Infrastructure of Commercial Buildings

· ANSI/EIA/TIA 607, Commercial Building Grounding and Bonding Requirements for

Telecommunications

· ANSI/EIA/TIA 758, Customer-Owned Outside Plant Telecommunications Cabling

Standard

3. System Description. The premise distribution system will consist of inside plant

Horizontal/riser cables installed in the star topology and connecting hardware to transport voice, Data and video (VDV) signals between C4I equipment. Distribution systems will include underground entrance of fiber optic and copper cables, as directed by 4 CS/SCX, from the entrance facility point to the nearest communications service point.

All new facility construction C&I will include underground entrance of fiber optic and copper cables from the entrance facility point to the nearest communications service point. Infrastructure must meet TIA/EIA-568-B, Commercial Building Telecommunications Cabling

Standard; TIA/EIA-569-A, Commercial Building Standard for Telecommunications Pathways and Spaces; TIA/EIA-606, Administration Standard for the Telecommunications Infrastructure of Commercial Buildings and ANSI/EIA/TIA 607, Commercial Building Grounding and

Bonding Requirements for Telecommunications.

4. Installation Personnel Qualifications. Either qualified Air Force personnel or a certified telecommunications contractor will complete installations performed under this standard.

Contractors will use experienced installers who have qualifications of a certified Category 5e and/or fiber optic cabling technician. An experienced installer will be defined as one having satisfactorily completed a minimum of five previous projects, similar in size to this project. The contractor will ensure all manufacturer warranties are not violated through uncertified installers.

5. Communications Equipment Room (CER). The CER serves as the entrance facility for all incoming communications ducts and distribution cables. It must be a dedicated space not shared with other functions. Facilities that have significant C&I requirements and/or are greater than

10,000 square feet must have a CER. For facilities smaller than 10,000 square feet, see paragraph 6.

5.1. General Requirements. The CER will be located on the first floor along an exterior wall.

A minimum of two adjacent walls will be covered with rigidly fixed 8 feet high, ¾-inch A/C grade plywood, capable of supporting attached equipment mounted 6 inches above the finished floor. Plywood will be finished with two coats of fire resistant paint. Where a Main Distribution

Frame (MDF) is to be installed, the plywood backboard requirement may be omitted. Finishes will be light in color to enhance room lighting. Flooring materials will have anti-static properties. False ceilings are not permitted within the CER. Louvered doors will not be used when the CER entrance is located on the exterior of a building. The size of this room will be in compliance with TIA/EIA-569-A.

5.2. Electrical Requirements. A minimum of two dedicated 20 AMP, 120-VAC, 60-Hz, duplex electrical outlets, each on separate circuits, will be provided for equipment power. Each electrical outlet will be placed immediately below and centered on each section of attached plywood. Provide additional 120-VAC convenience outlets for maintenance and housekeeping.

Increase these minimum requirements as necessary to meet equipment loads. If an emergency power source is available in the building, the CER panel will be linked to the emergency supply.

Ground connections in the CER must meet NEC and TIA/EIA-607 requirements.

5.3. Environmental Requirements. Provide heating, cooling and fresh air appropriate for the equipment housed. The temperature will be controlled to provide continuous operating ranges of

68ºF to 78ºF. Lighting will be a minimum of 538 lux (50-foot candles) measured 3 feet above the finished floor, mounted a minimum of 8.5 feet above finished floor. Lighting fixtures will not be powered from the same electrical distribution panel as the telecommunications equipment.

5.4. Building Entrance Terminals (BET). Provide 66-block gas protector modules in the CER to protect the inside plant wiring and equipment from voltage surges. Where the length of the outside plant cable from the point it enters the building to the BET is greater than 50 feet, install the outside plant cable in grounded metal conduit.

6. Telecommunications Closet (TC). The TC may serve as the CER for single story buildings less than 10,000 square feet in area however, at least one TC is required for each

10,000 square feet of area on each floor. The TC is the interface between the CER and customer telecommunications outlets. It houses equipment racks, network equipment, patch panels and other functions outlined in TIA/EIA-568-B.

6.1. General Requirements. The TC must be located centrally in the area it serves. The size of the room will be in compliance with TIA/EIA-569-A. Under no circumstances will a TC be smaller than 70 square feet (7’ by 10’). Telecommunications closets on successive floors must be vertically stacked. A minimum of three, 4-inch rigid steel conduits must be installed between stacked closets. A minimum of two adjacent walls will be covered with rigidly fixed 8 feet high, ¾-inch A/C grade plywood, capable of supporting attached equipment, mounted 6 inches above the finished floor. Plywood will be finished with two coats of fire resistant paint. Finishes will be light in color to enhance room lighting. Flooring materials will have anti-static properties.

False ceilings are not permitted within the TC.

6.2. Electrical Requirements. A minimum of two dedicated 20 AMP, 120-VAC, 60-Hz, duplex electrical outlets, each connected to technical power circuits, will be provided for C4I equipment. Provide additional 120-VAC outlets for maintenance and housekeeping. Increase these minimum requirements as necessary to meet equipment loads. If an emergency power source is available in the building, the equipment room panel will be linked to the emergency supply.

6.3. Environmental Requirements. Provide heating, cooling and fresh air appropriate for the equipment housed. The temperature will be controlled to provide continuous operating ranges of

68ºF to 78ºF. Lighting will be a minimum of 538 lux (50-foot candles) measured 3 feet above the finished floor, mounted a minimum of 8.5 feet above finished floor. Lighting fixtures will not be powered from the same electrical distribution panel as the telecommunications equipment.

7. Cabling and Wiring.

7.1. Horizontal Cable. Horizontal cable connects both telephone and data signals from the patch panel to outlets throughout the building. All horizontal cables will be four-pair, 100-ohm, unshielded twisted-pair (UTP), Category 5e rated, specified to handle transmission speeds of

150 MHz (minimum). A minimum of two horizontal cables will be provided to each telecommunications outlet. All horizontal cables must be terminated at each end. Horizontal cable will not be exposed.

7.2. Telephone Riser Cable. Telephone riser cables provide connection between the telephone patch panel in the TC and the telephone patch panel or main distribution frame in the CER.

Telephone riser cables must be plenum, multi-pair, No. 24 AWG solid copper, 100-ohm, category-3 UTP cable or higher. Cable must be sized as required to support all horizontal cables terminated in the TC plus 50% spares.

7.3. Local Area Network (LAN) Riser Cable. Fiber optic network riser cables provide connectivity between the LAN workgroup-level switches in the TC and the LAN patch panel in the CER. LAN riser cable must be a minimum of 12 strands, 50/125-micron single-mode ( FOC). The riser cable must be terminated in a patch panel with simplex ST-type connectors

7.4. Patch Cords.

7.4.1. Copper Patch Cords. Telephone and data patch cables must be 4-pair No. 24 AWG

CAT-5e with a standard 8-pin/8-position RJ-45 type connector on one end and a termination compatible with the incoming data circuit block or panel on the other end.

7.4.2. Fiber Optic Patch Cords. Fiber optic patch cables must be factory-assembled using single coupling ST-type connectors when connecting to single-mode fiber, except where other connector types are required to interface with existing equipment.

7.5. Outside Plant Cable (Copper Cable). Outside plant copper cable will be installed from the main distribution frame or 110-type patch panel in the CER to the nearest copper service connection point. All outside plant copper cable will be gel filled, polyethylene insulated conductor cable, sized to fit the square footage of the facility. A small amount of slack at each end of the cable will be provided for future service, repair and relocation. Inside cable will be coiled and attached to the CER backboard. The outside end will be coiled at least one time inside the servicing maintenance hole (for connection by 30 SCS personnel).

7.6. Outside Plant Cable (Fiber Optic Cable). Outside plant FOC will be installed from the

CER to the point where the facility connects to the base LAN. Minimum 12-strand, single-mode, loose buffer tube-type fiber optic cable will be provided and installed from the facility entrance point to the nearest FOC service connection point. A small amount of slack at each end of the cable will be provided for future service, repair and relocation. Inside cable will be coiled and attached to the CER backboard. The outside end will be coiled at least one time inside the servicing maintenance hole (for connection by 30 SCS personnel).

7.7. Cable and Satellite Television. If required, cable infrastructure will be installed for CATV and satellite TV. These systems will consist of quad shield, RG-6, coaxial cable installed in the star topology. The system will also include “F” type connectors, line splitters, couplers, fittings, wall-mounted faceplates and other support equipment as needed. When possible, “F” connectors will be integrated into RJ-45 outlets as outlined in paragraph 11.

8. Equipment Racks. Equipment racks must be 23 inches wide, unequalled flange and installed according to seismic-4 specifications. Install rack system to allow for maximum expansion within the room. Equipment racks may be mounted adjacent to a wall or other rack, but must always provide a minimum of 36 inches of space both in front and behind the rack.

Duplex power outlets will be provided for technical power at the bottom of each rack to support

C4I equipment.

9. Patch Panels. All Ethernet/telephone patch panels will be category 5e rated and wired to the

T-568-B configuration with attached front and back wire management devices. The front panel will consist of 8-pin, 8-position, RJ-45 connections. The rear panel will consist of color-coded, 110-type insulation displacement connectors.

10. Cable Trays. Channel-type cable racks must be used to provide distribution raceways between equipment racks, telephone backboards, riser conduits and distribution cable trays.

11. Telecommunications Outlet Assembly.

11.1. Location. One standard telecommunications outlet will be installed for every 48 square feet of net office space (outlet density and location for special-purpose spaces will be determined by 4 CS/SCX and the facility user). Telecommunications outlets should be located near electrical outlets, but no closer than 3 inches. In areas with modular furniture, walls must have sufficient flexibility and connectivity to enable rearrangement without modifications to the permanent communications wiring.

11.1.1. Open Systems Furniture. Telephone and data wiring systems in areas with systems furniture must have sufficient flexibility and connectivity to enable rearrangement without modifications to the permanent C4I wiring. Suitable connectors must be provided at a permanent location.

11.2. Configuration. All telecommunication outlets will be Category 5e rated with at least two RJ-45 type jacks, one for each horizontal cable drop. Modular outlet jack inserts will be wired to the T-568-B configuration. The faceplate will also have a built-in cover for label inserts.

12. Exterior Conduit. An underground service entrance pathway must be provided to support the base outside plant cable (paragraphs 7.5. & 7.6.). The size of this pathway will be consistent with TIA/EIA standards (design will be approved by 4CS/SCX). This pathway will be installed from the CER to the nearest service connection point for both telephone and data.

Exact number and size of conduits will depend on the total footage of the facility and will be in compliance with EIA/TIA-569. At least one conduit will have four inner ducts installed, each with nylon pull cords. The other conduit(s) will also contain a nylon pull cord. Bends in conduit will be limited to the equivalent of no more than two 90-degree bends. The minimum depth of a trench will allow 24 inches of cover from the top of the conduit to the final grade. Joint trenches

(comm, power, gas, etc.) can be used provided appropriate separation is maintained. Orange metallic tracing tape must be installed 1-foot above the conduit system prior to back filling the trench. Plug all ducts that are unused with adequate duct plugs or foam sealant. Use foam sealant on ducts that contain cable.

13. Maintenance Hole System. Dedicated telecommunications maintenance holes and/or pull boxes will be installed to optimize the use of existing base infrastructure. These holes/boxes will be clearly marked with the word "Communications" on the cover. The interior will include all galvanized hardware needed for organized placement of cable and splicing components.

Maintenance holes/pull boxes will be pre-cast and sized to meet maximum conduit/cable requirements for the size of the facility. Maintenance holes/pull boxes will be grounded in accordance with TIA/EIA standards.

14. Fire-stopping. All internal conduit and/or telecommunications cables that penetrate floors, walls and/or ceilings must be restored to the original fire rating with fire-stop materials.

15. Testing. All metallic and FOC must be tested end-to-end and certified to meet TIA/EIA performance standards. An experienced installer, as defined in paragraph 4, will perform all testing. All test results and certifications must be provided as stated in paragraph 17.

16. Telecommunications Outlet/Patch Panel Labeling. Each horizontal cable will be labeled at the outlet and the patch panel. Each communications outlet should have a unique identifying number. In the TC, this unique number should be associated with the position on the patch panel to which the outlet is connected. The format for telecommunications outlet numbering will be as follows:

· TC room number where the horizontal cable is terminated

· Rack number

· Patch panel number

· Patch panel position number

· Example: 50-1-2-7 (50 = TC room number, 1 = rack number, 2 = patch panel number, 7 = patch panel position number)

17. Deliverables. The following documents will be provided to 4CS/SCX upon completion of the project, but before final acceptance.

· As-built Drawings. As-built drawings will be “D-size” and include horizontal/riser cable diagrams, CER, TC, maintenance hole layouts, equipment rack details, outlet faceplate details and the size/type of all cables/conduits.

· Cable test results. Reports will show the field tests performed to verify compliance with specified performance criteria. Test reports will include a record of the physical parameters verified during testing as described in paragraph 15. Report will include a signature of the person verifying execution of tests. Test results will be submitted to

4CS/SCX within 7 days after completion of testing.

· A laminated floor plan showing the facility’s final cable distribution runs, with associated labeling, will be mounted in each telecommunications room.

· Commercial manuals will be furnished for operation, installation, configuration and maintenance of all products provided as part of the premises distribution system.

Specification sheets for all cable, connectors and other equipment will also be provided.

18. Facility Acceptance. Personnel from 4CS/SCX will attend all facility acceptance inspections. Upon acceptance of a new or renovated facility the Base Communications Systems Officer will be responsible for operation, repair, maintenance, modification, upgrades and ownership of the communications and information infrastructure.

19. Technical Assistance. Contact 4CS/SCXO, Commercial Communicaitons at DSN 722-7304 or Comm (919) 722-7304 STAMATIS B SMELTZ, Maj, USAF

Commander

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Amendment 0007, Attachment 7