Cisco ASR 902 Hardware Installation Manual page 32

Interface Modules
• 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 23: 14-Port Serial Interface Module
1
3
5
Supported Standards
The 14-port serial interface module supports the following standards:
Table 9: General Standard
Standard
IEEE 1613 2009
IEC 61850-3
IEC 60870-2-1:1995
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
32
Captive screws (2)
12-in-1 Connector (6)
Power (PWR) LED
2 68-Pin Connector (2)
4 Status (STAT) LED
6
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
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
Overview