
A-1NortelNetworks 5399 Access Switch HardwareInstallation Guide
Appendix A
Port Pins and Signals
This appendix identifiesthe signals and the associated pins used by
the Remote Access Concentrator’sWAN Interface ports.
WAN Interface Ports
TheModel 5399RemoteAccessConcentrator isequippedwith twoWAN
Interface ports. Figure A-1 illustrates a WANInterface port connector.
Table A -1 lists the port’spin/signal allocations.
FigureA-1. WAN Interface Port Connector
TableA-1. WAN InterfacePort/Pin Signal Allocations
1 8
Pin Number Signal
1Receivedata from Network (RECEIVERING)
2Receivedata from Network (RECEIVETIP)
3Unused
4Transmitdata to Network (TRANSMIT RING)
5Transmitdata to Network (TRANSMIT TIP)
6Unused
7Unused
8Unused