Dual mode ISDN S/U interface converter

Multiplex communications – Channel assignment techniques – Details of circuit or interface for connecting user to the...

Reexamination Certificate

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Details

C370S503000

Reexamination Certificate

active

07016374

ABSTRACT:
A dual mode ISDN S/U interface converter and a network arrangement are provided. The dual mode ISDN S/U interface converter is capable of selectively operating in either line terminator (LT) or work terminator (NT) modes by an adjustment of jumpers or other electronic switches. The ISDN S/U interface converter also provides a selectable and reversible direction of sync flow over a common path, with a common sync circuit, common control, and common data bus. With the dual mode capability of the ISDN S/U converter, a system integrator can use a single type of equipment for insertion between an ISDN switch and a multiplexer.

REFERENCES:
patent: 5305312 (1994-04-01), Fornek et al.
patent: 6282204 (2001-08-01), Balatoni et al.

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