IBM X.25 manual Pin Assignments

Pin Assignments

X.21

Connector

Information

The

X.21 pin

assignments for

the 37-pin connector on the PCI

co-processor adapter

and

the

corresponding pin

assignments

for the

15-pin connector on the optional

adapter cable

are

listed

in

Table 3-1. (The

pin

positions

on

the connector

are

shown under

“Pin

Numbers”

on

page 3-1.)

Table

3-1. X.21

Interface

Pin

Assignments

Signal

37-Pin

15-Pin

Name

Connector

Connector

GND

7

8

T

(A)

10

2

C

(A)

11

3

R

(A)

12

4

I

(A)

13

5

S

(A)

14

6

T

(B)

28

9

C

(B)

29

10

R

(B)

30

11

I

(B)

31

12

S

(B)

32

13

3-2X.25 Co-Processor PCI GTO