Digital loop carrier system

Details Digital loop carrier system Digital loop carrier system

1992-10-26

1994-10-11

Hsu, Alpus H.

Multiplex communications

Wide area network

Packet switching

370 55, 370 583, 370 681, 370 84, 370 855, 370 8511, 370 8515, 370102, 3701051, 3701101, 370112, 34082505, 34082516, 34082536, 379269, 379279, H04J 312, H04Q 1104

Patent

active

053553624

ABSTRACT:
A telecommunication network which includes a SONET-based digital subscriber loop carrier system that supports wideband and narrowband services. The digital subscriber loop carrier system includes a common module for performing common functions of the system and for transferring subscriber data between the system and a central office or local digital switch, and at least one service definition module, which is coupled to subscribers, for interfacing the subscribers to the system. The common module and the service definition modules are coupled by a common backplane including pulse coded modulation buses and all data, including both subscriber data and control data, are transferred per the SONET protocol. Each of the common module and service definition modules employ buses, which are also based on the SONET protocol.

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