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ADTRAN 1200130L2 User Manual

Page 120

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106

FSU User Manual

61200.130L1-1

Appendix A. Pinouts

Table A-A

DTE/DCE Connector Pin Assignments

DB25 Pin# V.35 Pin#

Function

DTEx Port

Direction

DCE Port

Direction

1

A

FGND

2

TD(RS232)

I

O

3

RD(RS232)

O

I

4

C

RTS

I

O

5

D

CTS

O

I

6

E

DSR

O

I

7

B

GND

8

F

DCD

O

I

9

NEG

10

POS

11

AA

TC-B(V.35)

O

I

12

Y

TC-A(V.35)

O

I

13

V

RC-A(V.35)

O

I

14

T

RD-B(V.35)

O

I

15

TC(RS232)

O

I

16

R

RD-A(V.35)

O

I

17

RC

18

S

TD-B(V.35)

I

O

19

P

TD-A(V.35)

I

O

20

H

DTR

I

O

21

W

ETC-B(V.35)

I

O

22
23

U

ETC-A(V.35)

I

O

24

ETC(RS232)

I

O

25

X

RC-B(V.35)

O

I

I=Input

O=Output

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