180APPENDIX D: CONNECTORS AND CABLES

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

Pinouts

Figure 34 Flex-WAN and V.35 DCE 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 DTE

AA

W

 

S

 

H

C

 

Y

U

P

K

E

A

 

X

 

T

 

 

D

 

 

 

 

R V

B F

 

60-pin Flex-WAN connector

V.35 female connector

.

 

 

 

 

 

 

Table 28 V.35 DCE Cable Pinouts

 

 

 

 

 

 

 

 

Flex-WAN Connector

 

V.35 DCE Connector

 

Signal

Pin

Direction

Pin

Signal

 

Twisted Pair*

SD/RD-

17

T

RD-

 

1

SD/RD+

18

R

RS-

 

 

 

 

 

 

 

 

 

SCTE/SCT-

19

AA

SCT-

 

2

SCTE/SCT+

20

Y

SCT+

 

 

 

 

 

 

 

 

 

Nil/SCR-

21

X

SCR-

 

3

Nil/SCR+

22

V

SCR+

 

 

 

 

 

 

 

 

 

RxC/TxCE-

25

W

SCTE-

 

4

RxC/TxCE+

26

U

SCTE+

 

 

 

 

 

 

 

 

 

RxD/TxD-

27

S

SD-

 

5

RxD/TxD+

28

P

SD+

 

 

 

 

 

 

 

 

 

DCD/LL

33

K

LT

 

6

 

 

 

 

 

 

 

DSR/DTR

34

H

DTR

 

7

 

 

 

 

 

 

 

CTS/RTS

35

D

RTS

 

8

 

 

 

 

 

 

 

RTS/CTS

42

C

CTS

 

9

 

 

 

 

 

 

 

DTR/DSR

43

E

DSR

 

10

 

 

 

 

 

 

 

LL/DCD

44

F

RLSD

 

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

 

 

 

 

 

 

 

 

 

 

 

 

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 180
Image 180
3Com SuperStack II, NETBuilder SI manual Flex-WAN and V.35 DCE Connectors, DCE Cable Pinouts