Installing the CBX 500 Switch
Connecting Alarm Relays
Beta Draft Confidential
CBX 500 Multiservice WAN Switch Hardware Installation Guide 4/5/034-19
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 Figure4-13onpage4-20. 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
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