Data transfer in an optical network communication system

H - Electricity – 04 – B

Patent

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Details

H04B 10/20 (2006.01) H04J 3/16 (2006.01) H04J 14/02 (2006.01) H04J 14/08 (2006.01) H04L 12/28 (2006.01) H04L 12/66 (2006.01) H04Q 11/00 (2006.01)

Patent

CA 2491222

AbstractCommunications apparatus, including client interface units (CIUs)(20)coupled to network service lines (12)for sending and receiving data carried by theservice lines in accordance with respective communication protocols. The CIUsinclude at least first and second CIUs that communicate with respective first and 5second channels of the data operating in accordance with different, respective firstand second protocols. The apparatus includes optical interface units (OIUs)(24),coupled to a passive optical network (PON)(16)and modulating optical radiationresponsive to the data so as to convey the data over the PON.The apparatus further includes a connectivity unit (22)which conveys the data 10between the CIUs and the OIUs, while mapping the channels to the OIUs so that datafrom the first and second channels is carried in alternation by one of the OIUs to firstand second users of the PON communicating respectively according to the first andsecond protocols.

L'invention concerne un appareil comprenant des unités d'interface client (CIU) (20) couplées à des lignes de services de réseau (12) destinées à envoyer et recevoir des données transportées par les lignes de service d'après les protocoles de communication respectifs. Les CIU comprennent au moins une première et seconde CIU qui communiquent avec la première et la seconde voie de données fonctionnant selon les premier et second protocoles différents respectifs. Ledit appareil comprend des unités d'interfaces optiques (OIU) (24), couplées à un réseau optique passif (PON) (16) et un rayonnement optique de modulation sensible aux données, de façon à transporter les données sur le PON. Ledit appareil comprend de plus une unité de connectivité (22) qui transporte les données entre les CIU et les OIU, tout en mettant en communication les voies vers les OIU, de sorte que les données de la première et la seconde voie sont transportées en alternance par une des OIU aux premiers et seconds utilisateurs de PON communiquant de manière respective selon le premier et second protocole.

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