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CHAPTER 5: Serial port configuration
5. Serial port configuration
Power Switch Master Twin
Connector: SUB-D9 female connector
Pin configuration
Configuration parameters
Pin 2 = TxD (transmit data to the PC)
Speed:
9600 bauds
Pin 3 = RxD (receive commands)
Parity:
No
Pin 5 = GnD
Format:
8 bits
Stop bit:
1
Flow control:
no
Remarks:
-
The serial cable provided with Power Switch Master Twin is a standard straight extension cable with DB9
connectors. This cable is intended to connect the serial port of the Power Switch Master Twin to a serial
port of a PC.
-
You may use any other straight serial cable, but for EMC reasons, we advise you not to use cables above
2.9 meters long.
Power Switch Satellite
Connector: RJ9 female
Pin configuration
Configuration parameters
1 (yellow) = Ground
Speed:
9600 bauds
2 (white) = RxD (receive commands) Parity:
No
3 (blue)
= TxD (transmit data)
Format:
8 bits
4 (orange) = Ground
Stop bit:
1
Flow control:
no
A short connection cable is supplied with each Power Switch Satellite Twin.
This cable is used to connect its RJ9 input connector to the RJ9 output connector of a Power Switch
Master Twin or another Power Switch Satellite Twin.
If you want to connect the Power Switch Satellite directly to the serial port of a PC, make a serial
cable as indicated by the drawing below or contact your dealer to order one.