User manual

VT-IPSD102H Manual
-52-
* 4 PIN
* Pin Diagram
* Pin Description
Pin No.
Pin Name
Description
1
RX-
RS422 RX-
2
RX+
RS422 RX+
3
TX-
RS422 TX- or RS485 TRX-
It is selectable by S/W Setup
4
TX+
RS422 TX+ or RS485 TRX+
It is selectable by S/W Setup