Design and Construction Handbook - Los Angeles World Airports

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Guide Specification
Optical Fiber Wavelength Maximum attenuation Minimum information transmission
Cable Type (nm) (dB/km)
capacity for overfilled launch (MHz/km)
62.5/125 µm 850 3.5 200
multimode 1300 1.5 500
Singlemode ISP 8 1310 1.0 N/A*
cable
1550 1.0 N/A*
Singlemode 8.0 1310 0.5 N/A*
OSP cable 1550 0.5 N/A*
*Note – The information capacity of the fiber, as measured by the fiber manufacturer, can be used b
the contractor to demonstrate compliance with this requirement.
N. General: Cables and components that fail performance tests shall be replaced and retested until
they meet the required performance standards.
O. Fiber Optic Cable:
1. Record cable length from either length markings on cable or through OTDR test.
2. After installing connectors perform OTDR on all fibers to evaluate connector loss and
validate connector.
a. Loss shall not exceed manufacturer's listed maximum loss for connector type
installed.
b. Connector shall be replaced at Contractors expense if it fails test.
3.9 HORIZONTAL UNSHIELDED CABLE TESTING
A. Test all new UTP cables.
B. Testing shall conform to ANSI/TIA/EIA TSB-67 Transmission Performance Specifications for
Field Testing of Unshielded Twisted-Pair Cabling Systems and ANSI/TIA/EIA-568-C.2,
Propagation Delay and Delay Skew Specification for 100 Ohm 4-Pair Cable.
C. Testing shall be accomplished using a UL certified Level III tester.
D. Notify Owner of any cable failing the prescribed certification testing.
E. The Contractor shall provide Category 6, 100 MHz channel test results on all pairs of cable,
including but not limited to cable length, wire map, NEXT, Power Sum NEXT, ACR, Power
Sum ACR, ELFEXT, Power Sum ELFEXT, Return Loss, Propagation Delay and Delay Skew.
Results shall be provided in an electronic format.
3.10 BACKBONE CABLE TESTING
A. Testing shall be according to device manufacturer’s specification. Testing for cable integrity
after installation shall be performed to include as a minimum, DC resistance, opens or shorts.
BASIC TELECOMMUNICATIONS REQUIREMENTS
27 05 00 - 21
Communication Systems