Samsung SSA-P102 User Manual page 17

RS-422 Communication Port Connection (Multiple Units)
The RS-422/RS-232 converter is required to establish RS-422 communications with SSA-P102.
RS-422/232
Converter
RxD
TxD
Power
T+ T- R+ R-
- Follow the guidelines below to make connection between devices.
1. Connect TX(-) of one device to TX(-) of other one.
2. Connect TX(+) of one device to TX(+) of other one.
3. Connect RX(-) of one device to RX(-) of other one.
4. Connect RX(+) of one device to RX(+) of other one.
5. Set a unique board ID for each product.
- Follow the guidelines below to make connection between the terminal device and the RS-422 9-pin
connector of the RS-422/RS-232 converter.
1. Connect RS-422-TX(-) to the RX(-) port of the converter.
2. Connect RS-422-TX(+) to the RX(+) port of the converter.
3. Connect RS-422-RX(-) to the TX(-) port of the converter.
4. Connect RS-422-RX(+) to the TX(+) port of the converter.
5. Connect the 9-pin connector of the RS-422/RS-232 converter to the COM port of the computer.
6. Install and launch the application (SAMS).
RS-232C
MAX. 1200m
TX-
TX+
RX-
RX+
HOST
SSA-P102
English _ 17