Nullmodem (9-25)
Use this cable between two DTE
devices (for instance two computers).
(To
Computer 1).
(To
Computer 2).
9 PIN D-SUB FEMALE to Computer
1.
25 PIN D-SUB FEMALE to Computer
2.
|
D-Sub
9 |
D-Sub
25 |
|
Receive Data |
2 |
2 |
Transmit Data |
Transmit Data |
3 |
3 |
Receive Data |
Data Terminal Ready |
4 |
6+8 |
Data Set Ready + Carrier Detect |
System Ground |
5 |
7 |
System Ground |
Data Set Ready + Carrier Detect |
6+1 |
20 |
Data Terminal Ready |
Request to Send |
7 |
5 |
Clear to Send |
Clear to Send |
8 |
4 |
Request to Send |