E1/ISDN
C–11
Single- and Dual-Interface BNC Cable
You provide your own cables for the Aculab E1/ISDN
module with BNC coaxial jacks. Use no more than
750 feet (228.5 meters) of 75
Ω
BNC cable. The inner core
of the coaxial cable provides the Tip signal and the outer
metallic ring provides the Ring signal.
Table C–6. RJ-45 LIU-to-Network Cable Pin Assignment
Pin
Function
Signal
1
Line receive (tip)
LRT
2
Line receive (ring)
LRR
3
Receive cable shield
SHLD
4
Line transmit (tip)
LTT
5
Line transmit (ring)
LTR
6
Transmit cable shield
SHLD
The remaining pins are not used.
