Modem camble scheme

[MirkoGradassi]

I need to find the scheme of the cable that connect the ipu and an external modem. I've something like this:

MD -----> DB25
A1 3
A2+B2+C2 7
A3 15
A4 8
B1 2
B3 20
B4 4
C1 17
C3 6
C4 5

but it don't work.

help me please

Bye
Mirko

 

[wfhy]

hi,
I have made the cable as follows:

IPU 25pins
A02 3
B02 2
A04+B04 7
B06 20
C06 6
A08 8
B08 4
C08 5

WFHY