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3Com 3018 (3C13618) EIA-530 DTE Cable Assembly, EIA-530 DTE Cable Pinouts, DB50, Signal, DB37

Models: 3018 (3C13618)

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Page 62
Image 62
Figure 38 EIA-530 DTE Cable Assembly

62CHAPTER A: OPTIONAL CABLE SPECIFICATIONS

Table 38 EIA/TIA-449 DCE Cable Pinouts (continued)

DB50

Signal

Signal Direction

Signal

DB37

 

 

 

 

 

41

NIL/TXC-

<-

ST-

23

 

 

 

 

 

-

Shielding sheath

<-->

Shielding sheath

-

 

 

 

 

 

EIA-530 DTE Cable Figure 38 illustrates the EIA-530 DTE cable.

Pinouts

Figure 38 EIA-530 DTE Cable Assembly

Table 39 describes EIA-530 DTE cable pinouts.

Table 39 EIA-530 DTE Cable Pinouts

DB50

Signal

Signal Direction

Signal

DB25

 

 

 

 

 

7

GND

<-->

Circuit GND

7

 

 

 

 

 

23

DCE/DTE

-

Circuit GND

7

 

 

 

 

 

50

GND

<-->

Shield GND

1

 

 

 

 

 

8

DTR/DSR+

->

DTR+

20

 

 

 

 

 

32

DTR/DSR-

->

DTR-

23

 

 

 

 

 

13

DSR/DTR+

<-

DSR+

6

 

 

 

 

 

37

DSR/DTR-

<-

DSR-

22

 

 

 

 

 

10

RTS/CTS+

->

RTS+

4

 

 

 

 

 

34

RTS/CTS-

->

RTS-

19

 

 

 

 

 

38

CTS/RTS+

<-

CTS+

5

 

 

 

 

 

14

CTS/RTS-

<-

CTS-

13

 

 

 

 

 

36

DCD/DCD+

<-

DCD+

8

 

 

 

 

 

12

DCD/DCD-

<-

DCD-

10

 

 

 

 

 

1

LL/LL

->

LL

18

 

 

 

 

 

20

RXD/TXD+

<-

RXD+

3

 

 

 

 

 

44

RXD/TXD-

<-

RXD-

16

 

 

 

 

 

15

TXD/RXD+

->

TXD+

2

 

 

 

 

 

39

TXD/RXD-

->

TXD-

14

 

 

 

 

 

16

TXCE/RXC+

->

TXCE+

24

 

 

 

 

 

40

TXCE/RXC-

->

TXCE-

11

 

 

 

 

 

19

RXC/TXCE+

<-

RXC+

17

 

 

 

 

 

43

RXC/TXCE-

<-

RXC-

9

 

 

 

 

 

18

TXC/NIL+

<-

ST+

15

 

 

 

 

 

42

TXC/NIL-

<-

ST-

12

 

 

 

 

 

-

Shielding sheath

<-->

Shielding sheath

-

 

 

 

 

 

Page 61 Page 63
Page 62
Image 62
3Com 3018 (3C13618) EIA-530 DTE Cable Assembly, EIA-530 DTE Cable Pinouts, DB50, Signal Direction, DB37, DB25
Page 61 Page 63