Bay Technical Associates none Figure D-3. Cable 7224 X.21 Compliant, Table D-6 Interface Order No

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Installing and Operating BayStack ARN Routers

15 Feet

Pin 1

Pin 15

Pin 16

Pin 30

Pin 31

Pin 44

 

44-position D-Sub plug with screw locks

 

(ground shield connected to backshell)

Figure D-3. Cable 7224 (X.21 Compliant)

Pin 1 Pin 8

Pin 9

Pin 15

15-position D-Sub plug with locking posts (ground shield connected to backshell)

CAB0068A

Table D-6.

X.21 Interface (Order No. 7224)

 

 

 

 

Bay Networks Termination

Remote Termination

 

 

 

 

 

Pin

Signal

 

Pin

Signal

 

 

 

 

2

Send Data+

2

TD A

 

 

 

 

16

Send Data-

9

TD B

 

 

 

 

4

Request to Send+

3

Control A

 

 

 

 

18

Request to Send-

10

Control B

 

 

 

 

3

Receive Data+

4

RD A

 

 

 

 

17

Receive Data-

11

RD B

 

 

 

 

9

Data Carrier Detect+

5

Indication A

 

 

 

 

23

Data Carrier Detect-

12

Indication B

 

 

 

 

10

Send Timing+

6

Timing A

 

 

 

 

24

Send Timing-

13

Timing B

 

 

 

 

7

Signal Ground

8

Signal Ground

 

 

 

 

1

Frame Ground

1

Frame Ground

 

 

 

 

 

Local Wire Connections

Pin 41 > 43

Pin 28 > 30

Pin 14 > 15

D-6

114200 Rev. A

Page 142
Image 142
Bay Technical Associates none manual Figure D-3. Cable 7224 X.21 Compliant, Table D-6 Interface Order No