13
Tighten the wire-clamping screws to fix DC wires by using a flat-head
screwdriver.
Relay Alarm Output Configuration
Relay alarm has 3 contacts on the terminal block used to connect alarm devices
such as speakers or LEDs to alert users when the redundant power or a port link
is disconnected. The right contact is normal closed, the left contact is normal
open, and the middle contact is com shared by normal open and normal closed.
Tighten the wire-clamping screws to fix alarm-device wires by using a flat-head
screwdriver.
P2
P1
+
-
+
-
P1
P2
+
-
+
-
Relay
Wire-clamping screws
Wire-clamping screws
