Modem having separate modem engine and data access arrangement

Details Modem having separate modem engine and data access arrangement Modem having separate modem engine and data access arrangement

H - Electricity

04

M

H04M 11/06 (2006.01) G06F 13/00 (2006.01)

Patent

CA 2157858

A modem which is separated into two circuit boards. One board contains the modem engine, while the second board contains the codec and the DAA components. The two boards are connected using only properly isolated digital signals so that the modem engine board does not require certification, only the codec/DAA board requiring certification. The codec/DAA board is contained in a housing to provide proper high voltage protection.

L'invention est un modem construit sur deux cartes de circuit. L'une des cartes contient le moteur du modem et l'autre, le codec et le dispositif d'accès au réseau. Les deux cartes ne sont reliées que par des circuits de transmission de signaux numériques isolés correctement, de sorte qu'aucune homologation n'est nécessaire pour le moteur du modem et seule la carte portant le codec et le dispositif d'accès au réseau nécessite une homologation. La carte portant le codec et le dispositif d'accès au réseau est installée dans un boîtier qui la protège adéquatement contre les surtensions.

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