GeoVision GV-AS2120 User Manual

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Important Notes for Maintaining Power Supply
To make sure GV-AS / EV Controllers can function properly during a power outage, be sure
to replace the internal battery on the controllers when needed. It is also recommended to
install a backup battery for compatible GV-AS Controllers.
Refer to the following sections for instructions on how to install a backup battery:
 GV-AS100 / 110 / 120 through GV-ASBox: See 9.1.4.F Connecting Backup Battery.
 GV-AS100 / 110 / 120 through GV-ASNet: See 9.2.4.F Connecting Backup Battery.
 GV-AS210 / 2110 / 2120: See 4.2.4 Connecting Backup Battery.
 GV-AS410 / 4110 / 810 / 8110: See 5.2.4 Connecting Backup Battery.
 GV-EV48: See 6.2.3 Connecting Backup Battery.
The table below lists the types of internal batteries used by different GV-AS / EV Controllers.
Type of Battery GV-AS / EV Controllers
Replaceable Button Cell
GV-AS100 / 2110 / 2120 / 4110 / 8110
Built-in Battery
GV-AS1010 / 110 / 1110 / 120 / 210 / 410 / 810
GV-EV48
Replaceable Button Cell (GV-AS100 / 2110 / 2120 / 4110 / 8110)
For GV-AS100 / 2110 / 2120 / 4110 / 8110, you can replace the battery on your own when
you see low battery messages and icons in GV-ASManager.

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