Cisco ASR 903 Hardware Installation Guide

48-Port T1/E1 CEM Interface Module
The 48-port T1/E1 interface module provides connectivity for up to 48 T1/E1 ports through 3 high-density
connectors on the front panel (as shown in figure 48-port T1/E1 Faceplate). Each port supports 16 TX and
RX ports. For information on LEDs, see Interface Module LEDs.
Figure 25: 48-port T1/E1 Interface Module
Figure 26: 48-port T1/E1 Faceplate
For information on supported SFP modules, see Cisco ASR 900 Series Aggregation Services Routers Data
Sheet.
For more information about installing an optical interface module, see Interface Module Installation.
Cisco ASR 903 Aggregation Services Router Hardware Installation Guide
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Cisco ASR 903 Router Overview
Interface Modules

Cisco ASR 903 Specifications

General

Brand	Cisco
Model	ASR 903
Category	Network Router
Language	English