DSL Modem FAQs
What does DSL stand for?
DSL stands for ‘Digital
Subscriber Line’
How does DSL work?
DSL uses the part of the
telephone line that is above the human range of hearing (over 21kHz). It
transmits data on those high frequencies and does not interfere with the normal
voice line operation.
Why is DSL only available in certain areas?
DSL requires 100% copper
phone lines from the telephone company’s central office to your residence. Many
newer phone lines use a fiber-optic cable which does not work for DSL. Also,
your residence must be within about 16,000 feet of the central office or router
equipment.
What do I need for DSL?
DSL requires a DSL modem for
your house. This small box takes the DSL transmission from the phone line and
translates the signal to a network cable which you can then plug into a router
or your computer.
What are DSL filters?
You
will need a DSL filter on every phone in your house. This filter filters-out
the high DSL frequencies so they will not interfere with your telephone. Do
not, however, place a filter on the DSL modem.
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