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  4. Is there a wiring diagram for Wiegand and OSDP card readers?

Is there a wiring diagram for Wiegand and OSDP card readers?

  • Video Insight VMS
  • Specification

Below are some images for the Wiegand and OSDP card readers that show the wiring setup.

Wiegand Reader

Black=GND                         Black=GND

Green= DAT/TR-               Green=TR-

White=CLK/TR+                White=TR+

Orange =BZR                     RED=VO

Red=VO

 

OSD Reader Wiring

 

 

Black=GND

Tan (not brown) or White=TR- (B)

Red/Green or Green= TR+ (A)

Red=RVO/VO

The wiring diagrams listed above are the typical wiring scheme for most readers. Please refer to the reader and manufacturer's wiring requirements. The requirements are usually listed on the back of the reader or can be found on the manufacturer's webpage .

Article number：us-en124361

Last updated：June 17, 2025

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