Serial Connectors and Flex-WAN Cables 185

Table 32 RS-449 DCE Cable Pinouts (continued)

Flex-WAN Connector

 

RS-449 DCE Connector

 

Signal

Pin

Direction

Pin

Signal

Twisted Pair

 

 

 

 

 

 

TxCE/TxC+

13

5

ST+

7

TxCE/TxC-

14

23

ST-

 

 

 

 

 

 

 

Circuit Ground

15

-

19

SGRC

8

Circuit Ground

16

-

20

SGRC

 

 

 

 

 

 

 

TxC/RxC-

23

26

RT-

9

TxC/RxC+

24

8

RT+

 

 

 

 

 

 

 

RxC/TxCE-

25

35

TT-

10

RxC/TxCE+

26

17

TT+

 

 

 

 

 

 

 

RxD/TxD-

27

22

SD-

11

RxD/TxD+

28

4

SD+

 

 

 

 

 

 

 

Nil/LL

29

10

LLSC

12

Circuit Ground

30

-

37

Ground

 

 

 

 

 

 

 

Shield Ground

46

Cable Shield

1

Shield

-

 

 

 

 

Ground

 

 

 

 

 

 

 

 

 

 

 

 

 

Shorting Group

48

-

-

-

-

1

49

 

 

 

 

 

 

 

 

 

 

RS-530 DTE Cable This cable connects the bridge/router to an RS-530 DCE.

Pinouts

Figure 39 Flex-WAN and RS-530 DTE Connectors

To SuperStack II NETBuilder

1

2

3

4

5

6

7

8

9

10

11 12

13

14

15

 

 

 

 

To DCE

 

 

 

 

 

 

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

1

2

3

4

5

6

7

8

9

10

11

12

13

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14 15

16

17

18

19

20

21 22

23

24

25

60-pin Flex-WAN male connector

25-pin male connector

Page 185
Image 185
3Com NETBuilder SI, SuperStack II manual RS-449 DCE Cable Pinouts, Flex-WAN and RS-530 DTE Connectors