B rs485 readers – GeoVision GV-AS2120 IP Control Panel User Manual

Page 28

Text mode
Original mode

1.2.1.B RS485 Readers

For long-distance connection and non-Wiegand card readers, you can establish RS-485
connection with any GV-Readers and GV-GF1911 / 1912. GV-AS100 can connect with

reader

through RS-485 connection. GV-AS1010 can connect with up to

2 readers

through a

single RS-485 cable.

When connecting a second reader to GV-AS1010, you will need to set up a separate power
source to power the second reader.

6 RS485 B-
5 RS485 B+

GV-AS100

RS485-

RS485+

GV-Readers or

GV-GF Fingerprint Readers

11 RS485 -
12 RS485 +

GV-AS1010

RS485-

RS485+

Up to 2 GV-Readers and

GV-GF Fingerprint Readers

Figure 1-7