Overview
Supported Standards
The 14-port serial interface module supports the following standards:
Standard
IEEE 1613 2009
IEC 61850-3
IEC 60870-2-1:1995
IEC 60870-2-2:1996
IEC 61000-6-5:2001
The serial interface module supports several cable types. For more information, see
6-Port E and M Interface Module
The Cisco (A900-IMA6EM) is a 6-port Ear and Mouth (E&M) interface module for the Cisco ASR 903 router.
The interface module provides the router with connectivity to tele-protection equipments. The front panel of
the module consists of:
• six port RJ45 connectors
• two LED that display Power and Status
• one LED per RJ45 port
Figure 39: E and M Interface Module
For information on LEDs, see
For more information about installing the module, see the
For more information, see
Definition
IEEE Standard for Environmental and Testing Requirements for
Communications Networking Devices in Electric Power Substations
IEC standard specifying general requirements for substation automation
systems (SAS) communications and related system requirements
IEC standard for substation environmental conditions
IEC standard for substation environmental conditions
IEC standard defining immunity for power station and substation
environments
E and M Interface Module
Connecting Serial Cables
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
LEDs.
Interface Module
Installation.
and
Serial Cable
Pinouts.
Supported Standards
Connecting Serial
Cables.
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