GeoVision GV-AS2120 User Manual

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9.1.4.D Connecting Input Devices
GV-ASBox provides 8 inputs (DI1 to DI8). All inputs are dry contact and can be configured
as normally open (NO) or normally closed (NC) through the Web interface. The default value
is NO.
The figure below shows the pin assignments of input connectors on GV-ASBox. The 8 inputs
are divided into two terminals. Terminal A consists of DI1 to DI4, and terminal B includes DI5
to DI8. Every terminal has two COM (Common) points; connect the Common wire to any of
the two COM points on the related terminal.
Figure 9-4

GeoVision GV-AS2120 Specifications

General

Type	Intelligent access control reader
Certification	CE, FCC
Number of users	100000 user(s)
Access code reader	-
Fingerprint reader	Yes
Authentication type	Access chip/card
Sustainability certificates	RoHS
Operating temperature (T-T)	0 - 65 °C
Operating relative humidity (H-H)	10 - 90 %
DC current (max)	3 A
DC voltage range	12 - 30 V
Power consumption	200 mA
RS-485 ports	1

Weight and Dimensions

Depth	46.6 mm
Width	210 mm
Height	204 mm
Weight	810 g