D3 Series User Manual
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2.2.2 Wiring Description
Power Connection
Recommended power supply
Rating of 12V and 1.5A
To share the power with other devices, use an AC Adapter with higher current ratings.
Door Sensor and Exit Button Connection
Lock Relay Connection
The system supports Normally Opened Lock and Normally Closed Lock. The NO LOCK (normally unlocked
when power-on) is connected with 'NO' and 'COM' terminals whereas the NC LOCK (normally locked when
power-on) is connected with 'NC' and 'COM' terminals.
Take NC Lock as an example below:
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