52APPENDIX A: CABLE SPECIFICATIONS

V.24 DCE Cable Figure 32 illustrates the V.24 DCE cable assembly.

Assembly and Pinouts

Figure 32 V.24 DCE Cable Assembly

 

 

 

DB25 Male

Enlarged A side

DB50 Male

Label

Enlarged B side

 

 

 

Table 23 describes the V.24 DCE cable pinouts.

Table 23 V.24 DCE Cable Pinouts

DB-50

Signal

Signal Direction

DB-25

Signal

 

 

 

 

 

5

TxD/RxD

—>

3

RxD

27

RxD/TxD

<—

2

TxD

2

RTS/CTS

—>

5

CTS

31

CTS/RTS

<—

4

RTS

26

DTR/DSR

—>

6

DSR

1

LL/DCD

—>

8

DCD

4

TxCE/TxC

—>

15

TxC

29

NIL/RxC

—>

17

RxC

30

DCD/LL

<—

18

LTST

6

DSR/DTR

<—

20

DTR

28

RxC/TxCE

<—

24

TxCE

50

GND

-

1

Shield_GND

7

GND

-

7

Circuit_GND

 

 

 

 

 

Page 54
Image 54
HP 5000 Router manual DCE Cable illustrates the V.24 DCE cable assembly, Assembly and Pinouts, DCE Cable Pinouts