User guide

Trusted
TM
Fibre TX RX Unit T8314
Issue 10 Sep 08 PD-T8314 10
4. Cable Specification
The specification of cables used to inter-connect Trusted
T
M
Fibre TX/RX Units is detailed below.
Table 2 Cable Specification
Parameter Value Min Max Unit
Cable type Single Mode 1300 nm
Attenuation @ 1300nm 0.38 dB/km
Cut-off Wavelength 1270 1360 nm
Dispersion @ 1300nm 3.5 nm
Bandwidth 600 MHz
Spectral Width 2.5 nm
Variation in Refractive
Index
0.5 %
Transmitter power
( into the fibre cable )
-15 dBm
Receive sensitivity
( minimum power budget
for optical link )
-28 dBm
Laser Output Optical Eye
Opening
Compliant With
TR-NWT-000253 and ITU-T
Recommendations G.957
Connector Type SC
Cores 6