SF series user manual V1.0
2.3 Sketch Map of System Installation
1
．
When a person has passed the status authentication on the access
control device, the device will output the lock control signal to unlock.
2. Door sensor will automatically detect the switch state, when the door
is accidentally opened or the door is not closed well, it will trigger the
alarm signal (switch volume signal)
3. If the access control device is in unusual circumstances such as illegal
demolition etc., it will output the alarm signal (switch volume signal).
4. External wired doorbell can be connected.
5. External exit button can be connected, so it is convenient to open the
door from the indoors.
6. Through RS485/RS232/USB to connect with PC and transfer data to
PC, you can easily manage multiple terminal devices through access
control management software.
Note:
The alarm and the wired doorbell are required to connect an
external power supply
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