Serial Connectors and Flex-WAN Cables 179

V.35 DTE Cable This cable connects the bridge/router to a V.35 DCE.

Pinouts

Figure 33 Flex-WAN and V.35 DTE Connectors

To SuperStack II NETBuilder

1

2

3

4

5

6

7

8

9

10

11 12

13

14

15

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

31

32 33

34

35 36 37

38 39 40

41 42

43

44

45

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

To DCE

NN

JJ

DD

Z

V

 

R

L

F

B

 

LL

FF

BB

X

T

N

 

J

D

MM

HH

CC

Y

U

 

P

K

E

A

 

KK

EE

A

W

S

M

 

H

C

60-pin Flex-WAN connector

V.35 male connector

 

Table 27 V.35 DTE Cable Pinouts

 

 

 

 

 

 

 

 

 

Flex-WAN Connector

 

 

V.35 DTE Connector

 

Signal

Pin

Direction

Pin

Signal

Twisted Pair*

SD/RD-

17

 

S

SD-

1

SD/RD+

18

 

P

SD+

 

 

 

 

 

 

 

 

SCTE/SCT-

19

 

W

SCTE-

2

SCTE/SCT+

20

 

U

SCTE+

 

 

 

 

 

 

 

 

TxC/RxC-

23

 

AA

SCT-

3

TxC/RxC+

24

 

Y

SCT+

 

 

 

 

 

 

 

 

RxC/TxCE-

25

 

X

SCR-

4

RxC/TxCE+

26

 

V

SCR+

 

 

 

 

 

 

 

 

RxD/TxD-

27

 

T

RD-

5

RxD/TxD+

28

 

R

RD+

 

 

 

 

 

 

 

 

DCD/LL

33

 

F

RLSD

6

 

 

 

 

 

 

 

DSR/DTR

34

 

E

DSR

7

 

 

 

 

 

 

 

CTS/RTS

35

 

D

CTS

8

 

 

 

 

 

 

 

RTS/CTS

42

 

C

RTS

9

 

 

 

 

 

 

 

DTR/DSR

43

 

H

DTR

10

 

 

 

 

 

 

 

LL/DCD

44

 

K

LT

11

 

 

 

 

 

 

 

Circuit Ground

45

-

 

B

Ground

12

 

 

 

 

 

 

Shield Ground

46

Cable Shield

A

Shield Ground

-

 

 

 

 

 

 

 

Shorting Group 1

48

-

 

-

-

-

 

49

 

 

 

 

 

 

 

 

 

 

 

 

Shorting Group 2

50

-

 

-

-

-

 

51

 

 

 

 

 

 

52

 

 

 

 

 

 

 

 

 

 

 

 

Shorting Group 3

53

-

 

-

-

-

 

54

 

 

 

 

 

 

55

 

 

 

 

 

 

56

 

 

 

 

 

 

 

 

 

 

 

 

*Unused twisted wires of a twisted pair should be connected to Shield Ground. In this cable this is one wire of each of the twisted pairs 6 to 12.

Page 179
Image 179
3Com NETBuilder SI, SuperStack II manual Flex-WAN and V.35 DTE Connectors, DTE Cable Pinouts