High-speed synchronous transmission line access terminal

Details High-speed synchronous transmission line access terminal High-speed synchronous transmission line access terminal

H - Electricity

04

J

H04J 3/02 (2006.01) H04J 3/16 (2006.01) H04L 12/52 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2031935

ABSTRACT OF THE DISCLOSURE A terminal for a telecommunications system provides access to one or two high-speed synchronous transmission lines by both low-speed transmission lines and subscriber lines. A core module includes interfaces to the high-speed lines, a time slot interchanger, an interface to the low-speed transmission lines, processors and overhead circuitry for supporting the terminal. An access module includes a plurality of line shelves connected to subscriber lines, each line shelf includes a pair of processors and four time slot assignors. A multi-link serial bus connects the time slot interchanger to the access module and to the low-speed interface and provides close coupling between the processors in the core module and the line shelves. The processors cooperate to groom subscriber information from said subscriber lines to and from time slots in said high-speed feeder line and said low-speed transmission line. Subscriber information may also be groomed between time slots of the high-speed feeder line and the low-speed transmission lines and between time slots within each subscriber line.

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