Cabling and Connector Specifications
T1/PRI interface specifications
APX 1000™ Getting Started Guide
C-5
T1/PRI straight-through cable: RJ-48C to RJ-48C
Before installing the RJ-48C to RJ-48C straight-through cable, verify that the WAN transmits
on pins 5 and 4 and receives on pins 2 and 1. Table C-4 and Figure C-2 show the pinouts.
Figure C-2. RJ-48C to RJ-48C straight-through cable
Table C-4. RJ-48C to RJ-48C straight-through cable specifications
Pair
Signal
(at the APX 1000)
Male RJ-48C
(APX 1000)
Male RJ-48C
(remote WAN)
1
Receive
1
2
1
2
2
Transmit
5
4
5
4
1 RECEIVE
2 RECEIVE
RECEIVE 1
RECEIVE 2
4 TRANSMIT
5 TRANSMIT
TRANSMIT 4
TRANSMIT 5
Male RJ-48C
Male RJ-48C