1-1NortelNetworks 5399 Access Switch HardwareInstallation Guide
Chapter 1
Introduction
TheModel 5399 Remote Access Concentrator Module is a dial-in remote
accessserver that supports mixed traffic, such as analog modems, V.120
ISDNTerminal Adapters, and devices supporting synchronous PPP.The
Model5399 Remote Access Concentrator module is designed to operate
within the Bay Networks Lattice System 5000 Series Hub. Figure 1-1
illustrates a Model 5399.
Figure1-1. Model 5399 Remote Access Concentrator Module
WAN 1
WAN 2