Babt-Approved Service Specifications For The 54-21813 Module For Uk Compliance - DEC 600s Owner's Manual

Service Categories
Service Categories
Table D–1 describes the services specifications for the 54-21813
Overview
module.
Table D–1 BABT-Approved Service Specifications for the 54-21813 Module for UK
Compliance
Interface Type
Service (CCITT recom-
Category mendation)
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.
D–2 Special Information for PTT Network Users
Service Requirements
(Electrical) (Physical)
V.24/ ISO 2110,
V.28 BS.6623:
part1, 1985.
Approved extension 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
2
:
1
MCL
Yes
Yes
Yes
Yes