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