The following cable wiring supports most serial terminals or printers with either software or hardware handshaking. This cable is valid with any Digi DB-25 serial port.
| DB-25 (Digi End) |
DB-25 Male (Terminal/Printer) |
|||
|---|---|---|---|---|
| Signal | Pin | Pin | Signal | |
|
RTS |
4 |
connected to |
5 |
CTS |
|
GND |
Shell |
connected to |
Shell |
GND |
|
TxD |
2 |
connected to |
3 |
RxD |
|
RxD |
3 |
connected to |
2 |
TxD |
|
SG |
7 |
connected to |
7 |
SG |
|
CTS |
5 |
connected to |
20 |
DTR |
|
DTR |
20 |
connected to |
8+6 |
DCD+DSR |
|
DCD+DSR |
8+6 |
connected to |
4 |
RTS |
Important: Some terminal or printer manufacturers may use different methods of flow control. Consult your documentation for specific wiring requirements.