C-10
APX 1000™ Getting Started Guide
Cabling and Connector Specifications
E1/PRI interface specifications
E1/PRI interface specifications
APX 1000 E1/PRI specifications apply to cables and WAN ports.
E1/PRI cable specifications
The WAN interface cables and plugs described in this section are available for the APX 1000
unit’s WAN interfaces.
E1/PRI crossover cable: RJ-48C to RJ-48C
Before installing the RJ-48C to RJ-48C crossover cable, verify that the WAN interface
transmits on pins 5 and 4 and receives on pins 2 and 1. Table C-10 and Figure C-6 show the
pinouts.
Figure C-6. RJ-48C to RJ-48C crossover cable
Table C-10.RJ-48C to RJ-48C crossover cable
Pair
Signal
(at the APX 1000)
Male RJ-48C
(APX 1000)
Male RJ-48C
(remote WAN)
1
Receive
2
1
5
4
2
Transmit
5
4
2
1