IBM X.25 - Manual (Page 25)

Chapter 3. Connector Information
Pin Numbers
The 37-pin, D-shell, male connector on the PCI co-processor adapter
is shown below.
1
2 0
1 9
3 7
The 15-pin, D-shell, male connector on the optional X.21
(non-switched) adapter cable is shown below.
8
1 5
1
9
The 25-pin, D-shell, male connector on the optional X.21 bis (V.24)
adapter cable is shown below.
1 4
1 3
2 5
1
The 34-pin male connector on the optional X.21 bis (V.35) adapter
cable is shown below.
A B
C D
E F
H J
L K
N
R
V
Z
T
X
P
U
Y
S
W
M
A A B B
C C D D
E E F F
H H J J
L L K K
N N M M
 Copyright IBM Corp. 1996 3-1