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GDS3705 User Manual
Version 1.0.1.16
Make sure to connect the GND of the Wiegand device and the GDS3705 Wiegand port.
For Wiegand input mode, LED and Beep pins require that the Wiegand device support those interfaces.
These two pins will not affect the Wiegand bus when not connected.
Input example with power supply for both GDS3705 and Wiegand device
Figure 24: Wiegand Input Example with Power Supply for GDS3705 and Wiegand Device
If power source is
12VDC
, Wiegand device can share same power source of GDS3705. However, users
need to check the max power consumption and the max capability of the power source.
If Wiegand device is using
5VDC
, GDS3705 Wiegand port can provide 5VDC with max 500mA to power up
Wiegand device.