|
4.1 Connector
form serial COM-Ports |
|
| Pins from RS232 (V.24, ISO
2110): |
| Signal |
PC 9 Pol. Sub-D |
PC 25 Pol. Sub-D |
| TxD |
3,O |
2,O |
| RxD |
2,I |
3,I |
| RTS |
7,O |
4,O |
| CTS |
8,I |
5,I |
| DTR |
4,O |
20,O |
| DSR |
6,I |
6,I |
| DCD |
1,I |
8,I |
| Ring |
9,I |
22,I |
| GND |
5 |
7 |
| Earth |
Case |
Case |
|
|
|
|
| Cable PC 9Pol. - PC 9Pol. |
| Signal |
PC |
|
PC |
| |
9 Pol. Sub-D |
|
9 Pol. Sub-D |
| RxD |
2 |
|
3 |
| TxD |
3 |
|
2 |
| RTS |
7 |
|
8 |
| CTS |
8 |
|
7 |
| DTR |
4 |
|
1,6 |
| DSR |
6 |
|
4 |
| DCD |
1 |
|
4 |
| GND |
5 |
|
5 |
| Earth |
Case |
|
Case |
| Ring |
9 |
free |
9 |
|
|
| Cable PC 9Pol. - PC 25Pol.
|
| Signal |
PC |
|
PC |
| |
9 Pol. Sub-D |
|
25 Pol. Sub-D |
| RxD |
2 |
|
2 |
| TxD |
3 |
|
3 |
| RTS |
7 |
|
5 |
| CTS |
8 |
|
4 |
| DTR |
4 |
|
6,8 |
| DSR |
6 |
|
20 |
| DCD |
1 |
|
20 |
| GND |
5 |
|
7 |
| Earth |
Case |
|
Case |
| Ring |
9 |
free |
22 |
|
|
Extension cable are always 1:1
connected. There ale always all pins from connector connected.
The case from connector is always connected to the shield.
|
Prior