Requirements for European Operation

Synchronous Cabling Requirements

Refer to Figures D-1 through D-3 and Tables D-4 through D-6 for serial interface cabling information.

Note the following compliance requirements:

V.28 compliance requires an Order No. 7837 cable.

V.35 compliance requires an Order No. 7220 cable.

X.21 compliance requires an Order No. 7224 cable.

15 Feet

1

16

31

Pin 15

Pin 30

Pin 44

44-position D-Sub plug with screw locks (ground shield connected to backshell)

Pin 1

Pin 13

 

Pin 14

Pin 25

25-position D-Sub plug with M-3 jack screws

(ground shield connected to backshell)

CAB0069B

Figure D-1. Cable 7837 (V.28 Compliant)

 

Table D-4.

WAN Interface (Order No. 7837)

 

 

 

 

 

 

 

 

 

Bay Networks Termination

Remote Termination

 

 

 

 

 

 

 

 

 

 

Pin

Signal

 

Pin

 

Signal

 

 

 

 

 

 

 

 

 

1

Frame Ground

1

 

Frame Ground

 

 

 

 

 

 

 

 

 

2

Send Data+

2

 

Send Data

 

 

 

 

 

 

 

 

 

3

Receive Data+

3

 

Receive Data

 

 

 

 

 

 

 

 

 

4

Request to Send+

4

 

Request to Send

 

 

 

 

 

 

 

 

 

5

Clear to Send+

5

 

Clear to Send

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(continued)

 

 

 

 

 

 

 

 

114200 Rev. A

 

 

 

 

D-3

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Bay Technical Associates none Synchronous Cabling Requirements, Bay Networks Termination Remote Termination Pin Signal