Cisco Systems Cisco 12008 manual Expanded View of the DB-25 Connector

Connecting an External Alarm Monitoring Facility

Figure 3-17 shows an expanded view of the DB-25 connector on the CSC faceplate.

Figure 3-17 Expanded View of the DB-25 Connector

Pin 25
Alarm	Pin 13
input

Minor visual contacts

Major

Critical visual

visual contacts

contacts

Major

Minor

audible

audible contacts

contacts

Pin 14	Critical
	audible
	contacts
	Pin 1

H10035

DB-25 Female connector

Table 3-10 lists the common, normally open, and normally closed relay contacts accessible to an external alarm monitoring facility by means of the DB-25 connector.

Installing a Cisco 12008 3-37