DSL

1. What does DSL stand for?
Digital Subscriber Line

2. What exactly is DSL?
DSL (Digital Subcriber Line ) is a technology for bringing high-bandwidth information to homes and small businesses over ordinary copper telephone lines. xDSL Refers to different variations of DSL, such as ADSL, HDSL and SDSL. The higher bandwidth allows you to receive data at rates up 6.1 megabits per second enabling continuous transmission of video and audio.

3. Are there different kinds of DSL?
Yes. ADSL, HSDL, IDSL, VDSL VIPowerNet currently offers SDSL (symmetric digital subcriber line ) ADSL (Asymmetrical digital line) in the next 2-4 months.

4. What are the differences between ADSL and SDSL?
SDSL offers the same speeds in both directions( data uploading and downloading) ADSL offers different speeds in each direction ( faster download speed than uploading.) With ADSL you can still receive phone calls on the same line. SDSL requires a second line.

5. What are the qualifications for DSL service ?
Right now the only restriction is your distance from your telephone company's nearest central office. You must be 18,000 feet or closer to a central office. DSL speeds are based on distance.

6. What hardware/software is needed?
On the customer's end, a working computer with Win95,98, NT, or Windows for Workgroups 3.11, CD-ROM drive, Web Browser, and a Network Card. The telco will supply the DSL modem, and instructions as necessary.

7. Can I get DSL over my existing phone line?
With ADSL – yes (later this year). With SDSL - no. SDSL needs a separate copper pair phone line. ADSL can use your existing phone line.

8. What are the differences between DSL and dial-up service?
Speed: SDSL speeds range from 192K to 1168K while your modem's maximum speed is 56K. SDSL is approximately 20 times faster. Connection is always on , no need for dialing in. Limitless number of computers can share a single Internet access simultaneously.

9. What about security?
DSL modems have built-in security options that are easy to implement. For example, these options prevent "hackers" from gaining access to your computers. Optionally, customers may add other security software such as Norton Security 2000.

 

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