### DB-9 Software Handshaking (XON/XOFF) Cable

The following three-wire cable is often sufficient for a terminal, printer, or other DTE device configured for software flow control.

##### Simple Terminal/Printer Cable

DB-9 Female (Digi End) |  | DB-9 Male (Peripheral)
--- | --- | ---
Signal | Pin | Pin | Signal
TxD | 3 | connected to | 2 | RxD
RxD | 2 | connected to | 3 | TxD
SG | 5 | connected to | 5 | SG
GND | Shell | connected (via shield) to | Shell | GND

This cable is a three-wire null modem cable. Transmitted Data on one end of the cable is connected to Received Data at the other end, and vice versa. The male DB-9 end can be plugged directly into most serial terminals and printers without any adapters. The female DB-9 end plugs directly into any Digi DB-9 serial port.