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Cisco ASR 903 Router Hardware Installation Guide
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Chapter1 Cisco ASR 903 router Overview
CiscoASR 903 router Features
T1/E1 Interface Module
The T1/E1 interface module provides connectivity for up to 16 T1/E1 ports through a 100-pin Amplimite
connector. The T1/E1 interface module requires the use of a patch panel to provide RJ48 (T1) or BNC
(E1) connectors. Figure 1-10 shows the interface module.
Figure1-10 16 x T1/E1 Interface Module
For more information about installing a T1/E1 interface module, see the “Interface Module Installation”
section on page 3-17.
OC-3 Interface Module
The OC-3 interface module can operate as up to four STM-1 interfaces.
Note The optical interface module is designed for OC-3 and OC-12 traffic, but OC-12 functionality is not
currently supported.
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