SDSL Broadband – Connection Settings and FAQs

Terms may vary between hardware devices - always consult the hardware manufacturer's guide.
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1. What is SDSL?
SDSL (Symmetric Digital Subscriber Line) is an advanced broadband technology ideal for businesses who:

• Send and receive large files
• Need to connect from remote sites via VPN
• Video conference
• Host email servers and websites
• Transfer large files to remote backup locations
• Make phone calls over the Internet

Unlike standard ADSL broadband, upload and download speeds are the same (symmetric) with SDSL.

SDSL is only available as a business product.

Please see the SDSL product page for more information.
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2. Why choose SDSL instead of a leased line?
SDSL is much cheaper than leased line alternatives, also known as private circuits. You simply pay a flat monthly subscription, with no additional charges.

Leased lines are also very expensive to reinstall if you move premises, unlike SDSL - see Q10.
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3. What SDSL speeds are available?
PlusNet SDSL is available at speeds of 250k, 500k, 1Mb and 2Mb. Speeds apply to both uploading and downloading.

Line speed depends on the length of the cable to your local telephone exchange - the shorter the cable, the faster the connection.

This table is an approximate guide to the SDSL service you can expect to receive:

Please note, cable length may be significantly longer than the physical distance to your exchange.
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4. Do I need any special equipment to use SDSL?
Yes. You will need a dedicated SDSL phone line installed - we will arrange for a BT engineer to come and do this at your convenience.

Please note, we must be satisfied there are no hazards to the engineers visiting your premises, such as asbestos.

You will also need an SDSL compatible modem/router (not supplied).
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5. How long does it take to activate SDSL?
At least 20 working days from order to installation. You will be asked to provide three suitable dates for SDSL installation during signup.
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6. What contract options are available for SDSL?
A 12 month contract only.
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7. How can I pay for SDSL?
By credit card, Direct Debit or cheque.

An activation fee and initial subscription payment are required in advance during the signup process. These are payable by credit card, debit card or cheque.

Please note, orders paid by cheque will only be advanced once payment clears.
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Getting SDSL

8. Can I upgrade to SDSL from my current ADSL broadband connection?
Yes. Simply upgrade through the Change Product tool.

Your current ADSL connection will remain active until your SDSL service has been installed. You will also keep all your existing account details including email addresses and webspace settings.
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9. Can I change the speed of my SDSL connection?
Yes. Simply request a speed regrade by raising a New Query in the Help Assistant tool.

A standard SDSL regrade will normally take between 5-10 days, with little or no downtime.

Standard SDSL regrade fee: £150.
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10. What happens to my SDSL connection if I move to new premises?
You will need to cancel your existing SDSL account and place an order for SDSL installation at your new premises.

You will keep all your existing account details, including email addresses and webspace settings.

To do this, raise a Question in the Help Assistant.
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Related links:

SDSL business product page