Paradyne 7112 manual Serial Crossover Cable, Pin

Models: 7112

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Cables and Pin Assignments

Serial Crossover Cable

Use a serial crossover cable to connect an external modem to the DSU/CSU's

COM port.

NOTE:

The Pin 17 to Pin 24 crossovers are not required and have no effect with the

Model 7112.

Pin 14

P1

P2

Pin 1

 

 

 

Pin 1

Plug

Plug

Pin 14

 

 

 

 

Pin 13

Pin 25

Pin 25

Pin 13

P1

Pin

Pin

P2

Chassis Ground

1

1

Chassis Ground

TXD

2

2

TXD

RXD

3

3

RXD

RTS

4

4

RTS

CTS

5

5

CTS

DSR

6

6

DSR

Signal Ground

7

7

Signal Ground

CD (RLSD)

8

8

CD (RLSD)

 

9

9

 

 

10

10

 

 

11

11

 

 

12

12

 

 

13

13

 

 

14

14

 

TXC

15

15

TXC

 

16

16

 

RXC

17

17

RXC

 

18

18

 

 

19

19

 

DTR

20

20

DTR

 

21

21

 

 

22

22

 

 

23

23

 

XTXC

24

24

XTXC

 

25

25

 

 

 

 

98-15811

E-4

 

March 1998

7112-A2-GB20-10

Page 142
Image 142
Paradyne 7112 manual Serial Crossover Cable, Pin