Router Installation Guide

A-5
Cisco XR 12406 Router Installation Guide
OL-13831-01
Appendix A Cisco XR 12406 Router Technical Specifications and Warnings
Specifications
Alarm Card Alarm Relay Connector Specifications
The alarm card alarm relay connector is a standard DB-9 connector. The relay
interface is rated at max 2A, 60V, or 50VA, whichever is greater. The connector
pins and their definitions are listed in Table A-5.
Table A-5 Alarm Card Alarm Relay Contact Connector Pinout
Pin Name Definition
1 Critical_NO Critical, normally open contact
2 Critical_C Critical, common contact
3 Major_NO Major, normally open contact
4 Minor_NO Minor, normally open contact
5 Minor_C Minor, common contact
6 Critical_NC Critical, normally closed contact
7 Major_NC Major, normally closed contact
8 Major_C Major, common contact
9 Minor_NC Minor, normally closed contact