Appendix A. Pinouts

Table A-E

Pin Assignments for DB-25 to X.21 (DB-15) Adapter Cable

DB25 Pin#

X.21 Pin#

Function

 

 

 

1

1

SHIELD

2

2

TX (A)

3

4

RX (A)

4

3

CONTROL (A)

7

8

GROUND

8

5

INDICATION (A)

9/12

13

SIGNAL TIMING (B)

10

12

INDICATION (B)

19

10

CONTROL (B)

14

9

TX (B)

15/17

6

SIGNAL TIMING (A)

16

11

RX (B)

110

IQ Probe User Manual

61200214L1-1

Page 134
Image 134
ADTRAN 1204006L1 Pin Assignments for DB-25 to X.21 DB-15 Adapter Cable, Table A-E, DB25 Pin# 21 Pin# Function, 110

1204002L1, 1200214L1, 1204006L1 specifications

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