8
Connecting to an Non Open/Closed Relay
The alarm input requires an open/closed dry contact relay. If the input is not an open/closed dry contact relay, connect
as shown below:
Connecting Alarm Output Relays
The alarm output relay must be used with external DC loads only within a limit of 12 V DC/1 A.
Note The DVR Alarm-out relay does not support connection to an AC load. An
external relay is needed to isolate the AC loads from the DVR.
Connecting Alarm Devices to the DVR
1. Disconnect the pluggable block from the ALARM IN /ALARM OUT terminal block.
2. Loosen the stop screws from the pluggable block, insert the signal cables into the slots and then retighten the
stop screws. Ensure that the signal cables are securely fastened.
3. Reconnect the pluggable block to the terminal block.
Connecting RS-485 Devices to the DVR
1. Disconnect the pluggable block from the RS-485 terminal block.
2. Loosen the stop screws from the pluggable block, insert the signal cables into the slots, and then retighten the
stop screws. Ensure signal cables are securely fastened.
Terminal block
Pluggable block
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