### EIA-422 Software Handshaking (XON/XOFF)

Use the chart below as a guide for EIA-422 wiring. Pin numbers have been omitted because they vary from product to product. For Digi pin numbers, see EIA 422 Asynchronous Interface. For peripheral device pin numbers, see the documentation for your peripheral device.

DTE (Digi End) |  | DTE (Peripheral End)
--- | --- | ---
Signal | Lead | Lead | Signal
TxD | + | Connected to | + | TxD
- | Connected to | -
RxD | + | Connected to | + | RxD
- | Connected to | -
GND |  | Connected to |  | GND
RTS | Jumpered-- connect RTS(+) to CTS(+); RTS(-) to CTS(-) |  | Jumpered-- connect RTS(+) to CTS(+); RTS(-) to CTS(-) | RTS
CTS | CTS

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