Serial Port Pinouts for RJ45 Serial Cables

Posted by ShopDriverGenius on

In the market there are the following types of Serial - RJ45 Cables.

Pin1 = CTS  | Pin2 = DSR  | Pin3 = RX | Pin4 = GND
Pin5 = GND | Pin6 = TX | Pin7 = DTR | Pin8 = RTS

When attached to a Beige RJ45 to DB9 Adaptor which we sell, the pins are translated as per below drawing.

For the Null adapter

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