EIA-485 Software Handshaking (XON/XOFF) Cable

Use the chart below as a guide for EIA-485 wiring. Pin numbers have been omitted because they vary from product to product. For Digi pin numbers, see Digi EIA-485 Connector Wiring. For peripheral device pin numbers, see the documentation for your peripheral device.

DTE (Digi End)   DTE (Peripheral #1) DTE (Peripheral #2, etc.)
Signal Lead Lead Signal Lead Signal

TxD/RxD

A

Connected to

A

TxD/RxD

A

TxD/RxD

TxD/RxD

B

Connected to

B

TxD/RxD

B

TxD/RxD