Cisco ASR 903 Installation Guide

14-Port Serial Interface Module
The Cisco (A900-IMASER14A/S) is a 14-port serial interface module for the Cisco ASR 903 router. The
Cisco ASR 903 Router module has the following interfaces:
• 12-in-1 Connector (6)-Supports synchronous and asynchronous RS-232 interfaces using EIA/TIA-232
DB-25 connectors
• 68-Pin Connector (2)-Supports up to 8 RS-232 interfaces in full or half duplex mode using 4 RS-232
connectors (DB-25, DB-9, or RJ-45)
Figure 37: Serial Interface Module
Figure 38: 14-port Serial Interfacce Module Front Panel
68-Pin Connector (2)2Captive screws (2)1
Status (STAT) LED412-in-1 Connector (6)3
LEDs-The LEDs are as follows:
• J0-J3 and J4-J7-Indicate the
function of the 68-pin connectors
• J8-J13-Indicate the status of the
12-in-1 connectors
6Power (PWR) LED5
For more information about using the LEDs to troubleshoot the Cisco ASR 903 Router, see LED Summary
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
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Overview
14-Port Serial Interface Module

Cisco ASR 903 Specifications

General

Brand	Cisco
Model	ASR 903
Category	Network Router
Language	English