Modem (9-25)
This cable should be used for DTE
to DCE (for instance computer to modem) connections
with hardware handshaking.
(To
Computer).
(To
Modem).
9 PIN D-SUB FEMALE to the
Computer
25 PIN D-SUB MALE to the
Modem
| |
Female |
Male |
Dir |
| Shield |
|
1 |
 |
| Transmit Data |
3 |
2 |
 |
| Receive Data |
2 |
3 |
 |
| Request to Send |
7 |
4 |
|
| Clear to Send |
8 |
5 |
|
| Data Set Ready |
6 |
6 |
|
| System Ground |
5 |
7 |
|
| Carrier Detect |
1 |
8 |
|
| Data Terminal Ready |
4 |
20 |
|
| Ring Indicator |
9 |
22 |
|
