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Installing a Cisco 12008 3-37
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
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.
Pin 25
Alarm
input
Minor
visual
contacts
Critical
visual
contacts
Major
audible
contacts
Pin 14
Pin 13
Major
visual
contacts
Minor
audible
contacts
Critical
audible
contacts
Pin 1
H10035
DB-25 Female connector
Summary of Contents for 12008
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