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7.
Appendix
User Manual VS-547-3GSDI – V1.0
Page 73 of 74
3/2016
Appendix B: Serial Port
RS-232 Port
Terminal Type
-
3 PIN
-
Pin Arrangement
Pin Description:
Pin NO
Pin Name
Description
1
TX
RS232 TX(Transmit)
2
RX
RS232 RX(Receive)
3
GND
Ground
RS-422/485 Port
Port Type
-
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