Service Specifications For The System Module - Digital Equipment 300 Series AXP Reference Manual

Appendix Overview
Service
Specifications
Table F–1 Service Specifications for the System Module
Interface
Type
(CCITT
Service recommen-
Category dation)
1 X.21bis
1
BT — British Telecommunications plc.
Hull — Kingston Communications (Hull) plc.
MCL — Mercury Communications Limited.
2
The total length of cable used must not exceed 27 feet.
F–2
Table F–1 lists the service specifications for the system module.
Service Requirements
Electrical Physical
V.24 ISO 2110,
/V.28 BS.6623:
part1, 1985.
Approved extension
2
cables:
BC22F-25 (25 feet) and
BC22F-10 (10 feet)
Public
Telecommunications
Data Rate Operators
BT Hull
2400 bps Yes Yes
4800 bps Yes Yes
9600 bps Yes Yes
19200 bps No No
1
MCL
Yes
Yes
Yes
Yes