2 rs-422 connection – Lumens Technology VC-A20P User Manual
Page 34
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English - 33
8.1.4 System Switch
Setting
Function Descriptions
DIP 1
RS-232C/RS-422 selector
OFF: RS-232C / ON: RS-422
DIP 2
Infrared signal output switch
OFF: Off / ON: On
DIP 3
Communication baud rate selector
OFF: 9600 / ON: 38400
DIP 4
Reserved
8.2 RS-422 Connection
8.2.1 RS-422 Pin Description
Pin NO.
Function
1
RXD OUT -
2
RXD OUT +
3
TXD OUT -
4 TXD
OUT
+
5 GND
6 RXD
IN
-
7 RXD
IN
+
8 TXD
IN
-
9 TXD
IN
+
<Note>
Please connect IN+ to OUT+ when connecting to SONY products
For non-SONY products, it may be necessary to connect IN+ to OUT-
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