D-Link DGS-3420-28PC Hardware Installation Guide - Page 22

Alarm Connector Port, Contact, Description, Output. Normal Open Pin. 42VAC or 60VDC

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xStack® DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Figure 2-1. Alarm Connector Contact 1 2 3 4 5 6 7 Alarm Connector Port Description Output. Normal Closed Pin. (42VAC or 60VDC) Output. Common Pin. (42VAC or 60VDC) Output. Normal Open Pin. (42VAC or 60VDC) Input 2 Input 2 Input 1 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. 22

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xStack® DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide
22
Figure 2-1. 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.