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3Com 3013 (3C13613) Pinouts, EIA/TIA-449 DCE Cable Assembly, DB50, Signal Direction, DB37

Models: 3018 (3C13618)

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Page 61
Image 61
DB50

 

 

 

Serial Port Cable 61

Table 37 EIA/TIA-449 DTE Cable Pinouts (continued)

 

 

 

 

 

 

 

DB50

Signal

Signal Direction

Signal

DB37

 

 

 

 

 

40

TXCE/RXC-

->

TT-

35

 

 

 

 

 

19

RXC/TXCE+

<-

RT+

8

 

 

 

 

 

43

RXC/TXCE-

<-

RT-

26

 

 

 

 

 

18

TXC/NIL+

<-

ST+

5

 

 

 

 

 

42

TXC/NIL-

<-

ST-

23

 

 

 

 

 

-

Shielding sheath

<-->

Shielding sheath

-

 

 

 

 

 

EIA/TIA-449 DCE Cable Figure 37 illustrates the EIA/TIA-449 DCE cable.

Pinouts

Figure 37 EIA/TIA-449 DCE Cable Assembly

Table 38 describes EIA/TIA-449 DCE cable pinouts.

Table 38 EIA/TIA-449 DCE Cable Pinouts

DB50

Signal

Signal Direction

Signal

DB37

 

 

 

 

 

7

GND

<-->

Circuit GND

19

 

 

 

 

 

50

GND

<-->

Shield GND

1

 

 

 

 

 

8

DTR/DSR+

->

DM+

11

 

 

 

 

 

32

DTR/DSR-

->

DM-

29

 

 

 

 

 

13

DSR/DTR+

<-

TR+

12

 

 

 

 

 

37

DSR/DTR-

<-

TR-

30

 

 

 

 

 

10

RTS/CTS+

->

CS+

9

 

 

 

 

 

34

RTS/CTS-

->

CS-

27

 

 

 

 

 

38

CTS/RTS+

<-

RS+

7

 

 

 

 

 

14

CTS/RTS-

<-

RS-

25

 

 

 

 

 

36

DCD/DCD+

<-

RR+

13

 

 

 

 

 

12

DCD/DCD-

<-

RR-

31

 

 

 

 

 

20

RXD/TXD+

<-

SD+

4

 

 

 

 

 

44

RXD/TXD-

<-

SD-

22

 

 

 

 

 

15

TXD/RXD+

->

RD+

6

 

 

 

 

 

39

TXD/RXD-

->

RD-

24

 

 

 

 

 

16

TXCE/RXC+

<-

RT+

8

 

 

 

 

 

40

TXCE/RXC-

<-

RT-

26

 

 

 

 

 

19

RXC/TXCE+

<-

TT+

17

 

 

 

 

 

43

RXC/TXCE-

<-

TT-

35

 

 

 

 

 

17

NIL/TXC+

<-

ST+

5

 

 

 

 

 

Page 60 Page 62
Page 61
Image 61
3Com 3013 (3C13613), 3015 (3C13615) manual Pinouts, EIA/TIA-449 DCE Cable Assembly, DB50, Signal Direction, DB37
Page 60 Page 62