Door Control Unit User Manual
Updated until firmware 404p - 16 -
D) DCU Specifications & Connections
From the specification of DCU, we provide 1A for the door lock and 200 mA for each
readers.
Maximum total recommended Cat5 cable length for 12V Door Lock loop is 12 meters.
It is recommended to use the Lock Converter Box with the DCU
ACDL01 and ACDL02 pre-wiring can be used with Lock Box,
If the door locks will be directly connected to the DCU, ACDL01 and ACDL02
wiring must be changed, please refer to the DCU wiring diagram.
The jumper on the back of the DCU configure the Door relay to be Normally Open
(bottom) or Normally Closed (top)
Internal Door Relay
The Door relay can be controlled by software
The Door relay is hardware controlled by the exit signal, the Door relay will be
opened within 2 seconds (for safety in case the unit does not answer requests)
When the unit is powered-up, the Door relay will close after 2 seconds
The IR exit button has an internal relay that opens the Door power loop when
Exit is requested
Once the wiring is completed then the DCU needs to be configured in the AKCess Pro
Server software interface.
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