Personal DSL FAQ
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Personal DSL Frequently Asked Questions
What is DSL?
DSL stands for Digital Subscriber Line. This new technology provides high-speed
access to data over a single pair of ordinary copper telephone wires using a
previously unused portion of the frequency spectrum of POTS (plain old telephone
service).
Will I need an additional phone line?
No. Personal DSL uses the line that already extends into your home. As we mentioned
above, DSL technology uses a different frequency spectrum to transfer data than is
used for telephone service; data travels over the 100kHz - 2.2Mhz frequency spectrum
and POTS uses 0 - 4 kHz. This allows simultaneous analog voice or fax and DSL data
transmission over the same line.
Why choose Personal DSL?
Here are the advantages at a glance:
- Up to 125 times faster than a 56k connection
- Allows you to talk on the phone while surfing the web
- Secure - no shared access with cable modems
- Reliable - works over existing phone lines
- Dedicated line - no busy signals ever!
- 24 hr/7days Internet access
To compare DSL with several other popular types of Internet services, take a look
at this chart.
How does DSL compare to cable modems?
Both Personal DSL and cable modems offer dedicated (always-on) service, but DSL
does so over your own personal line while cable modems work over a shared media. So,
while cable modems have greater downstream bandwidth capabilities (up to 30 Mbps)
than ADSL, a cable modem's bandwidth may vary - perhaps dramatically - according to
how many users in a neighborhood get online with them at one time. Upstream cable
modem traffic, too, may be slower than with Personal DSL, either because the
particular modem is inherently slower, or because of rate reductions due to
contention for bandwidth slots. With DSL, you are guaranteed to get all of the
bandwidth that you pay for.
Cable modems also pose a risk to the security and privacy of the data they transmit
- again, due to shared lines. Because your Personal DSL line is your own, it's more
secure.
How much does Personal DSL cost?
Which modems will work with Telerama's Personal DSL package?
- Westell Wirespeed Models: A90-36R515, B90-36R515, C90-36R515, A90-36R516,
B90-36R516, C90-36R516
- Alcatel Speed Touch Home
- Cayman Systems 3220
- Alcatel 1000 External ADSL modem*
- Efficient Networks 5300 Series Modems
- Efficient Networks 4000 Series Modems
- Efficient Networks 5861 DSL Router
- Cisco 827 ADSL Router
- Linksys ADSL USB Modem**
- Smart One Internal PCI DSL Modem**
Other questions?
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