GeoVision GV-AS2120 IP Control Panel - Manual (Page 78)

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3.2 Installation
The wire assignment of the GV-AS120 cable data are illustrated below.
Front View Rear View
Figure 3-4
Wire color Definition
Red 12V
Black GND
Green Wiegand Data 0
White Wiegand Date 1
Blue RS485+
Light Blue RS485-
Brown IN COM (GND)
Yellow Door Sensor IN1
LRed Button IN2
Purple Door COM
Orange Door NC
Gray Door NO