T1 Or E1 Crossover Cable: Rj-48C/Rj-48C; Figure C-2 Rj-48C/Rj-48C Crossover Cable; Table C-10 Rj-48C/Rj-48C Crossover Cable Specifications - Lucent Technologies Stinger MRT 19 Getting Started Manual

Cables and Connectors
T1 and E1 connector and cable specifications

T1 or E1 crossover cable: RJ-48C/RJ-48C

Install the RJ-48C/RJ-48C cable when the WAN transmits on pins 5 and 4 and
receives on pins 2 and 1. Figure C-2 and Table C-10 show the pinouts.
Figure C-2. RJ-48C/RJ-48C crossover cable.
TRANSMIT 4
TRANSMIT 5
Table C-10. RJ-48C/RJ-48C crossover cable specifications
Pair #
1
2
C-10
RECEIVE 1
RECEIVE 2
Male RJ-48C
Signal
Receive
Transmit
Male RJ-48C
Male RJ-48C Male RJ-48C
2 5
1 4
5 2
4 1
Stinger® MRT Getting Started Guide
5 TRANSMIT
4 TRANSMIT
2 RECEIVE
1 RECEIVE