Bay Technical Associates BayStack ARN Routers none - Manual (Page 139)

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