( Maximum cable length 15 meters )
From PC DB25 to Printer DB25
|
PC |
|
Printer |
|
|
DB25 |
|
DB25 |
|
| TxD |
2 |
|
3 |
RxD |
| RxD |
3 |
|
2 |
TxD |
| DSR |
6 |
|
20 |
DTR |
| SGN |
7 |
|
7 |
SGN |
| DTR |
20 |
|
6 |
DSR |
| CTS |
5 |
|
4 |
RTS |
| RTS |
4 |
|
5 |
CTS |
From PC DB9 to Printer DB25
|
PC |
|
Printer |
|
|
DB9 |
|
DB25 |
|
| TxD |
3 |
|
3 |
RxD |
| RxD |
2 |
|
2 |
TxD |
| DSR |
6 |
|
20 |
DTR |
| SGN |
5 |
|
7 |
SGN |
| DTR |
4 |
|
6 |
DSR |
| CTS |
8 |
|
4 |
RTS |
| RTS |
7 |
|
5 |
CTS |
From PC DB9 Female to Printer DB9 Male
|
PC |
|
Printer |
|
|
DB9 |
|
DB9 |
|
| TxD |
3 |
|
2 |
RxD |
| RxD |
2 |
|
3 |
TxD |
| DSR |
6 |
|
4 |
DTR |
| SGN |
5 |
|
5 |
SGN |
| DTR |
4 |
|
6 |
DSR |
| CTS |
8 |
|
7 |
RTS |
| RTS |
7 |
|
8 |
CTS |
TxD = Transmit Data :: RxD = Receive Data :: DSR = Data Set Ready :: DTR = Data Terminal Ready :: SGN = Signal ground :: CTS = Clear To Sent :: RTS = Request To Sent |