System and method for controlling timing in a distributed...

Details System and method for controlling timing in a distributed... System and method for controlling timing in a distributed...

H - Electricity

04

Q

H04Q 11/04 (2006.01) H04J 3/06 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2274068

A timing system (100) for coordinating the components of a distributed digital cross-connect system (10) is provided. The timing system (100) includes a master timing system (102) that receives a network timing reference (98, 99) and generates a master timing signal. A distributed services node timing system (104, 106) is connected to the master timing system (102) and receives the master timing signal. The distributed services node timing system (104, 106) then embeds a timing signal in a data transmission frame (150). Two or more digital cross-connect timing systems (108) are connected to the distributed services node timing system (104, 106) and receive the data transmission frame (150). The digital cross-connect timing systems (108) retrieve the embedded timing signal from the data transmission frame (150).

Système de synchronisation (100) destiné à coordonner les composants d'un système brasseur-répartiteur numérique distribué (10). Ce système de synchronisation comprend un système de synchronisation maître (102) recevant une référence de synchronisation de réseau (98, 99) et générant une synchro. maîtresse. Un système de synchronisation de noeuds de services distribué (104, 106) est raccordé au système de synchronisation maître (102) et reçoit la synchro. maîtresse. Le système de synchronisation de noeuds de services distribué (104, 106) enchâsse alors la synchro. dans une trame (150) de transmission de données. Au moins deux systèmes de synchronisation brasseurs-répartiteurs numériques sont raccordés au système de synchronisation de noeuds de services distribué (104, 106) et reçoivent la trame (150) de transmission de données. Les systèmes de synchronisation brasseurs-répartiteurs numériques (108) extraient la synchro. enchâssée de la trame (150) de transmission de données.

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