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
Содержание GV-AS Series
Страница 10: ......
Страница 11: ...1 GV AS100 Controller...
Страница 14: ...4 1 1 3 GV AS100 Board Layout Figure 1 3...
Страница 32: ...2 GV AS110 Controller...
Страница 49: ...3 GV AS400 Controller...
Страница 92: ...4 Optional Devices...
Страница 150: ...5 GV ASManager Quick Start Guide...
Страница 167: ...6 Troubleshooting...