### Fully-Wired DB-9 Terminal/Printer Cable

The following cable wiring supports most serial terminals or printers with either software or hardware handshaking. This cable is valid with any Digi DB-9 serial port.

Most terminals and printers use Request to Send/Clear to Send (RTS/CTS) for hardware handshaking. The following cable wiring supports this method.

##### Terminal/Printer Cable for Software (XON/XOFF) or Hardware (RTS/CTS) Handshaking

DB-9 (Digi End) |  | DB-9 Male (Terminal/Printer)
--- | --- | ---
Signal | Pin | Pin | Signal
DCD+DSR | 1+6 | connected to | 4 | DTR
RxD | 2 | connected to | 3 | TxD
TxD | 3 | connected to | 2 | RxD
DTR | 4 | connected to | 1+6 | DCD+DSR
SG | 5 | connected to | 5 | SG
RTS | 7 | connected to | 8 | CTS
CTS | 8 | connected to | 7 | RTS
GND | Shell | connected to | Shell | GND

Important: Other printer manufacturers may use different methods of flow control. Consult your printer's documentation for specific wiring requirements.