Cabletron Systems 520 - Manual (Page 102)

Installation Information – United Kingdom
D-2
Service Categories
Table D-1 lists the BABT-approved service specifications for the router for
UK compliance.
1 BT - British Telecommunications plc
Hull - Kingston Communications (Hull) plc
MCL - Mercury Communications Limited
Table D-1: BABT-Approved Service Specifications
Service
Requirements Service Category 1 Service Category 2
Interface Type X.21 bis X.21 bis
Electrical V.24/V.28 V.35
Physical ISO 2110, BS.6623: part 1,
1985 ISO 2593. BS.6623: part 4,
1986
Approved
Cables Adapters:
• BC12L-06
Adapters:
• BC12G-06
Data Rate (bps)
available from
Public
Telecommuni-
cations
Operators 2400: BT, Hull, MCL 1
4800: BT, Hull, MCL 1
9600: BT, Hull, MCL 1
19200: MCL 1
48k: BT, Hull, MCL 1
56k: BT, MCL 1
64k: MCL 1
2048k: N/A