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Terminal-to-Network Interface Disclosure - Category (a)

December 16, 1996

No. ATIA-4a (Formerly SIA-4b)


Asymmetric Digital Subscriber Line (ADSL) - NB Tel

Aliant Telecom Inc., on behalf of the New Brunswick Telephone Company Limited (NB Tel), announces a planned technical trial of the Terminal-to-Network interface for an Asymmetric Digital Subscriber Line (ADSL). This trial is scheduled to commence in December 1996 in Saint John, Fredericton and Moncton. Secondary trials may also be conducted in other selected areas of New Brunswick. Subject to trial results and market demand, commercial service is expected to become available to subscribers in 2Q97.

This service will use existing telephone loops having metallic continuity, to provide simultaneous voice and data capability between the subscriber and the serving central office. ADSL equipment will be provided by the ADSL service provider at both the subscriber and central office ends of the loop. The connection to the Class 5 switch is a normal two wire, POTS interface. Both, central office and subscriber located ADSL equipment, must be certified in accordance with Certification Specification CS-03.

Compatibility Impact:

None expected.


None required.

If you have any questions regarding the above, please contact:

Telephony Standards
160 Elgin St., Room 640
Ottawa, Ontario, K1G 3J4 Canada
Tel: (in Canada) 1-877-77-TELCO (83526)
Tel: (Worldwide) (613) 781-7393
Fax: (613) 781-1658

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