Nullmodem
This adapter will enable you to use a normal serialcable
as a nullmodem.
(to
the Computer).
(to
the Serialcable).
25 PIN D-SUB FEMALE to
the Computer.
25 PIN D-SUB MALE to the
Serialcable.
|
Female |
Male |
|
Shield Ground |
1 |
1 |
Shield Ground |
Transmit Data |
2 |
3 |
Receive Data |
Receive Data |
3 |
2 |
Transmit Data |
Request to Send |
4 |
5 |
Clear to Send |
Clear to Send |
5 |
4 |
Request to Send |
Data Set Ready |
6 |
20 |
Data Terminal Ready |
Data Terminal Ready |
20 |
6 |
Data Set Ready |
Ground |
7 |
7 |
Ground |