DSL MODEMS
DSL modems are very suitable gateway devices for boosting the Internet bandwidth available to appliances running on an in-home network. DSL modems support data transmission over standard telephone lines as much as 50 times faster than the analog modems used by most homes and small businesses.
A Digital Subscriber Line (DSL) circuit consists of two DSL modems connected by a copper twisted-pair telephone line. To maintain backward compatibility with the standard telephone system and to avoid disruption of service due to equipment failure, the voice part of the frequency spectrum is separated from the digital modem circuitry by means of a passive filter called a POTS splitter. This means that if the DSL modem fails, the POTS service is ...
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