DescriptionSignal NamePin
Data -D-A2
Data +D+A3
GroundGndA4
Alarm Port Pinouts
This following table summarizes the external alarm input pinouts:
Table 18: External Alarm Input Pinouts
DescriptionSignal NamePin
Alarm input 0ALARM0_IN1
Alarm input 1ALARM1_IN2
Alarm output closed—3
Alarm input 2ALARM2_IN4
Alarm input 3ALARM3_IN5
Alarm output open—6
Alarm output COM—7
Alarm input COM—8
AC Power Cord Specifications
For more information on the supported power cables, see Ordering information for power cables supported
on NCS 540 on the Cisco Network Convergence System 540 Large Density Routers Data Sheet.
Cisco Network Convergence System 540 Large Density Routers Hardware Installation Guide
72
Appendix
Alarm Port Pinouts
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