Installation guide

A-1Nortel Networks 5399 Access Switch Hardware Installation Guide
Appendix A
Port Pins and Signals
This appendix identifies the signals and the associated pins used by
the Remote Access Concentrator’s WAN Interface ports.
WAN Interface Ports
TheModel5399 RemoteAccess Concentratorisequipped with twoWAN
Interface ports. Figure A-1
illustrates a WAN Interface port connector.
Table A-1
lists the port’s pin/signal allocations.
Figure A-1. WAN Interface Port Connector
Table A-1. WAN Interface Port/Pin Signal Allocations
1 8
Pin Number Signal
1 Receive data from Network (RECEIVE RING)
2 Receive data from Network (RECEIVE TIP)
3 Unused
4 Transmit data to Network (TRANSMIT RING)
5 Transmit data to Network (TRANSMIT TIP)
6 Unused
7 Unused
8 Unused