44
3.2.1.B RS-485 Readers
For long-distance connection and non-Wiegand card readers, you can choose the RS-485
connection. Up to
8 units of GV-Readers
and
GV-GF1901/1902
readers
can be connected
together with a single RS-485 cable to the RS-485 interface on GV-AS400.
When multiple readers are connected together, an extra power supply to each unit is
required. Use
12V
power output
and
GND
on the Wiegand connectors to power on each unit.
Figure 3-3
To connect GV-Readers:
Refer to the following pin assignment for GV-Reader wiring.
Electric Wires on GV-Reader
RS-485 on GV-AS400
Red 12V
Blue RS-485
+
Light Blue
RS-485 -
Black GND
Summary of Contents for GV-AS Series
Page 10: ......
Page 11: ...1 GV AS100 Controller...
Page 14: ...4 1 1 3 GV AS100 Board Layout Figure 1 3...
Page 32: ...2 GV AS110 Controller...
Page 49: ...3 GV AS400 Controller...
Page 92: ...4 Optional Devices...
Page 150: ...5 GV ASManager Quick Start Guide...
Page 167: ...6 Troubleshooting...