Synchronization-message-based active reference switching unit

Details Synchronization-message-based active reference switching unit Synchronization-message-based active reference switching unit

1997-03-26

2000-01-11

Chin, Stephen

Pulse or digital communications

Synchronizers

Network synchronizing more than two stations

H04L 700

Patent

active

060144149

ABSTRACT:
A unit of the invention is installed in each of transmission units that make up a synchronous network. The unit selects from the clock references received an active reference that controls the operation of the corresponding transmission unit, based on the quality levels of clock references presented by synchronization messages received with the clock references. The clock references, each of which is selectable as the active reference, and their selection priorities are entered into a source priority list. By referencing the source priority list, the active reference is selected.

REFERENCES:
patent: 5153824 (1992-10-01), Lalanne et al.
patent: 5706291 (1998-01-01), Kainulainen et al.

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