xStack® DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide
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Figure 2–4 Alarm Connector
Alarm Connector Port
Contact
Description
1
Output. Normal Closed Pin. (42VAC or 60VDC)
2
Output. Common Pin. (42VAC or 60VDC)
3
Output. Normal Open Pin. (42VAC or 60VDC)
4
Input 2
5
Input 2
6
Input 1
7
Input 1
Connect the alarm input pins to alarm output terminals on other pieces of equipment.
Connect the alarm output pins to alarm input terminals on other pieces of equipment.