Appendixes

WAN Cables

13

12

11

10

9

8

7

6

5

4

3

2

1

25 24 23 22 21 20 19 18 17 16 15 14

RS232C/V.24 * Link Cable

 

PIN NO.

PIN NO.

 

 

1

1

 

 

2

2

 

 

 

CHASSIS GROUND (AA)

 

 

3

3

 

To

 

TRANSMIT DATA (BA)

 

4

4

To MultiRouter

External

 

RECEIVE DATA (BB)

5

5

Link 1,2 or 3

Synchronous

 

REQUEST TO SEND (CA)

RS232C/V.35

7

7

Modem/DSU

 

CLEAR TO SEND (CB)

Connector

8

8

Connector

 

 

SIGNAL GROUND (AB)

 

 

15

15

 

 

 

CARRIER DETECT (CF)

 

 

17

17

 

 

 

TRANSMIT CLOCK (DB)

 

 

20

20

 

 

 

RECEIVE CLOCK (DD)

 

 

25

25

 

 

 

DATA TERMINAL READY (CD)

 

V.35 Adapter Cable Configured on a RS232C/V.35**

 

 

Link Cable

 

V.35 34-PIN CONNECTOR

Chassis Ground

A

B

Signal Ground

Request To Send

C

D

Clear To Send

Data Set Ready

E

F

Data Carrier Detect

Data Terminal Ready

H

J

 

 

K

L

 

 

M

N

 

Send Data (A)

P

R

Receive Data (A)

Send Data (B)

S

T

Receive Data (B)

Terminal Timing (A)

U

V

Receive Timing (A)

Terminal Timing (B)

W

X

Receive Timing (B)

Send Timing (A)

Y

Z

 

Send Timing (B)

AA

BB

 

CCDD

EEFF

HHJJ

KKLL

MMNN

As viewed from the connector side

 

V.35 34-PIN

 

25-PIN

 

CONNECTOR (MALE)

CONNECTOR (FEMALE)

 

 

 

 

 

 

 

A

 

 

1

PROTECTIVE GROUND

 

 

 

 

B

 

 

7

SIGNAL GROUND

 

 

 

 

C

 

 

4

REQUEST TO SEND

 

 

 

 

D

 

 

5

CLEAR TO SEND

 

 

 

 

E

 

 

6

DATA SET READY

 

 

 

 

F

 

 

8

DATA CARRIER DETECT

 

 

 

 

H

 

 

20

DATA TERMINAL READY

 

 

 

 

P

 

 

2

TRANSMIT DATA A

 

 

 

 

R

 

 

3

RECEIVE DATA A

 

 

 

 

S

 

 

12

TRANSMIT DATA B

 

 

 

 

T

 

 

22

RECEIVE DATA B

 

 

 

 

U

 

 

23

EXTERNAL TX CLOCK A

 

 

 

 

V

 

 

17

RECEIVE CLOCK A

 

 

 

 

W

 

 

25

EXTERNAL TX CLOCK B

 

 

 

 

X

 

 

18

RECEIVE CLOCK B

 

 

 

 

Y

 

 

15

TRANSMIT CLOCK A

 

 

 

 

a

 

 

21

TRANSMIT CLOCK B

 

 

 

 

 

 

 

 

 

*The MultiRouter RS232C interface circuits have been designed to meet the electrical specificaitons given in EIA (Electronic Industries Association) RS232C and CCITT (Consultative Committee International Telegraph and Telephone) V.24 Standards.

**When configured for V.35 interface operation on the link, the V.35 adapter cable should be used. This cable uses a 25-pin female connector at one end and a 34-pin winchester male connector at the other end.

MTASR1-100

57

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Image 57
Multi-Tech Systems MTASR1-100 manual WAN Cables, Appendixes, RS232C/V.24 * Link Cable