Alarm Port Pinouts - Cisco ASR 901 10G Series Hardware Installation Manual

Alarm Port Pinouts

Alarm Port Pinouts

The router has four alarm inputs. The alarm setting is open or closed.
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The alarm input is a dry-contact alarm port. You can connect up to four alarm inputs from devices, such
as a door, a temperature gauge, or a fire alarm, to the alarm port. You can use the alarm-contact
command to set the alarm severity to minor, major, or critical. An alarm generates a system message.
Note External DC bias is not required for the alarm port inputs.
Figure B-6
and signals.
Figure B-6
Table B-9
Table B-9
Pin
1
2
3
4
5
6
7
8
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
B-8
Open means that the normal condition has current flowing through the contact (referred to as
normally closed contact). The alarm is generated when the current stops.
Closed means that no current flows through the contact (referred to as normally open contact). The
alarm is generated when the current flows.
shows the RJ-45 connector pinouts used for alarm, and
RJ-45 Connector Pinouts for Alarm
list the pinouts for the alarm port (RJ45) on the Cisco ASR 901 10G router.
Alarm Port Pinout
Signal Name
Alarm input 1
Alarm input 2
Alarm input 3
Alarm input 4
Alarm input return
12345678
Description
Not connected
Not connected
Not connected
Appendix B Cable Specifications
Table B-9 lists the connector pinouts
OL-28105-02