NORTHERN TELECOM SL100

PXML No. 121
APPROVAL No.

The NORTHERN TELECOM SL-100 is a large digital PABX. It caters for a maximum of 30,000 extensions and 4,500 private circuit or PSTN connections, or an equivalent combination of voice and data. It consists of hardware and software modules combined to form a customer package. The system supports up to 255 attendant consoles.

Made and distributed by:-
Northern Telecom Public Switching Systems Ltd
Northern Telecom House, Saint Cloud Way, Maidenhead Berkshire SL6 8XB

Installed by:-
Northern Telecom Public Switching Systems Ltd
Note: No new systems envisaged

Maintained by British Telecom

APPROVAL STATUS
Approved for private supply and BT maintenance as specified in Private Exchange Master List (PXML) No 121