ZKTeco SpeedFace-V3L (Lite) Installation Guide

Lock Relay Connection
The system supports Normally Opened Lock and Normally Closed
Lock. The NO LOCK (normally opened at power on) is connected
with 'NO' and 'COM' terminals, and the NC LOCK (normally closed
at power on) is connected with 'NC' and 'COM' terminals.
Take NC Lock as an example below:
Device not sharing power with the lock
GND
+12V
NO
COM
NC
DC12V
DC12V
Normally Closed Lock
FR107
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ZKTeco SpeedFace-V3L (Lite) Specifications

General

Brand	ZKTeco
Model	SpeedFace-V3L (Lite)
Category	Intercom System
Language	English