User Manual

7- Appendix
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User Manual VS-102 HDSD/HDI - V2.3 Page 63 of 64 5/7/12
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