To build a standard RS-232 serial cable, you will need two 9 or 25 pin connectors and a cable with 5 wires, preferably shielded cable.
Connector A | Connector B |
RX | TX |
TX | RX |
RTS | CTS |
CTS | RTS |
GND | GND |
If the cable is shielded, you should use the shield as ground (GND).
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On a 9 pole plug (at the controller), cabinet ground should be connected to the metal housing. |
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On a 9 pole plug (at the controller), cabinet ground should be connected to the metal housing. |
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