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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
Figure 1-11 shows the interface module.
Figure1-11 4 x OC-3 Interface Module
Supported SFP Modules
The optical interface module supports the following optical transceivers:
•ONS-SC-155-EL
•ONS-SI-155-I1
•ONS-SI-155-L1
•ONS-SI-155-L2
•ONS-SI-155-SR-MM
For more information about installing an optical interface module, see the “Interface Module
Installation” section on page3-17.
Serial Interface ModuleThe Cisco ASR 903 router (A900-IMASER14A/S) is an 14 port serial interface module for the
Cisco ASR 903 router. The CiscoASR 903 router module has the following interfaces:
•12-in-1 Connector (6)—Supports Asynchronous RS-232 interfaces using EIA/TIA-232 DB-25
connectors
•68-Pin Connector (2)—Supports up to 8 RS-232 and RS-485 interfaces in full or half duplex mode
using 4 RS-232 connectors (DB-25, DB-9, or RJ-45).
Figure 1-12 shows the interface module.
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