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Requirements for European Operation
114200 Rev. A
D-3
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.
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)
Pin 13
Pin 1
Pin 25
Pin 14
15 Feet
25-position D-Sub plug with M-3 jack screws
(ground shield connected to backshell)
44-position D-Sub plug with screw locks
(ground shield connected to backshell)
CAB0069B
1
16
31
Pin 15
Pin 30
Pin 44