T1 FIBER OPTIC LINE EXTENDER/SIMULATOR
(max, cable [2] att.)=(fiber optic power budge) - (right part att.) = 17 dB - 12 dB = 5 dB.
(max. cable [2] length) = (max.cable [2] att.)/(cable [2] att. factor) = 5 dB/3 dB/km = 5.6 km
Example 2: Maximum length of cable [2] when connected directly (without
splices, etc.): (max. cable [2] length) = (fiber optic power budget)/(cable [2] att. factor) = 17 dB/3 dB/km = 5.6 km
Example 3: Minimum cable quality to bridge 5 km (single cable without splices or
patches): (cable att. factor) = (cable att.)/(cable length) = 17 dB (fiber optic power budget)/5 km = 3.4 dB/km
1
1
T1 Fiber Optic Line
Extender/Simulator
2
4
3
5
6
T1 Fiber Optic Line Extender/Simulator
7
23
4
5
6
7
Figure A-1. Attenuation diagram.
18
