Cisco T3 Connecting Manual

Connecting T3/E3 Network Modules

This chapter describes how to connect T3/E3 network modules for modular access routers and contains
the following sections:
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•
•
•
To determine whether your router supports a specific network module, see
Tip

1-Port T3/E3 Network Modules

The NM-1T3/E3 network module is a single-port universal T3/E3 network module with integrated
CSU/DSU, clear channel, and subrate support. (See
be configured as either T3 or E3 through Cisco IOS software.
Figure 20-1 1-Port T3/E3 Network Module Faceplate
NM-1T3/E3
Note The NM-1T3/E3 network module provides subrate T3 support for Digital Link, Kentrox, Larscom,
Verilink, and Adtran. The NM-1T3/E3 network module also provides subrate E3 support for Digital Link
and Kentrox.
OL-2485-20
1-Port T3/E3 Network Modules, page 20-1
Connecting T3/E3 Network Modules to the Network, page 20-2
T3/E3 Network Module LEDs, page 20-3
Related Documents, page 20-3
SEE MANUAL BEFORE INSTALLING NETWORK MODULE
CD LP AIS
Figure
T3/E3
TX RX
FERF/RAI
Cisco Network Modules Hardware Installation Guide
C H A P T E R
Table 1-6 on page
20-1.) Channels on the network module can
EN
AL
20
1-16.
20-1