User Manual

Expansion Hub Rear Panel
4-8 InterReach Fusion Wideband Installation, Operation, and Reference Manual
CONFIDENTIAL D-620616-0-20 Rev G
4.3 Expansion Hub Rear Panel
Figure 4-4 Expansion Hub Rear Panel
1
2
3
4
1. AC power cord connector
2. Two air exhaust vents
3. One 9-pin D-sub female connector for contact alarm monitoring (labeled
ALARMS)
4. Ground lug for connecting unit to frame ground (labeled GROUND)
Table 4-3 9-pin D-sub Pin Connector Functions
Pin Function
1 Alarm Sense Input (DC Ground)
2 Alarm Sense Input 3
3 Alarm Sense Input 2
4N/C
5N/C
6 DC Ground (common)
7N/C
8 Alarm Sense Input 1
9N/C
This interface can monitor three single external alarm contacts (Alarm Sense Input 1
This interface monitors the output contact closures from a Universal Power Supply
(UPS). Verify the output contact closure state (normally closed or normally open) of
the UPS, and set the appropriate contact definition using AdminBrowser.
• Faults are service impacting.