Nortel Networks 4430 Network Card User Manual


 
1-1
Introduction
1
This chapter introduces the following features of the Passport 4430/4450/4455
devices, hereafter referred to as a Passport 4400 unit:
Ethernet Base Module on page 1-3
Data Modules on page 1-3
T1/E1 and Digital Voice Modules on page 1-4
Analog Voice Modules on page 1-4
Interface Modules (WAN) page 1-5
Figure 1-1. Passport 4400 Models
Model 4430
Models 4450
Model 4450 and 4455 with
Redundand Power Supply
and 4455