Installing the CBX 500 Switch
Connecting Alarm Relays
Beta Draft Confidential
CBX 500 Multiservice WAN Switch Hardware Installation Guide
4/5/03
4-19
Connecting Alarm Relays
The SPA module contains an eight-position terminal strip with #4 screw terminals for
connecting remote audio and visual alarms (normally open, contact closed), as shown
in
Figure 4-13 on page 4-20
. These alarm relays alert you to critical, major, and minor
alarm conditions in the switch. The alarm conditions are (from top to bottom):
•
Audible (connects to audible alarm)
–
critical switch error condition
–
major switch error condition
–
minor switch error condition
•
Visual (connects to visual alarm)
–
critical switch error condition
–
major switch error condition
–
minor switch error condition
•
Power (connects to power relay)
–
major switch error condition
–
minor switch error condition