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How to Boost Your Internet Connection (3): Check Your Modem Parameters

posted by my-blogmedia | Tuesday, July 22, 2008 | ,

Hi, my-blogmedia readers. Here is other tip to boost internet connection problem. This pot is the continuation of the previous post. Hope this can help you. Enjoy.

3. Check Your Modem Parameters
While you're updating the firmware, check some key parameters. First, the maximum allowed speeds (both downstream and up) should match your service plan. If they don't, your ISP didn't set your service up properly. Give your ISP a call and ask it to fix the setup remotely.
Second, look for signal-to-noise ratio (or SN margin) and line attenuation, both measured in decibels (dB). The
lower the signal-to-noise ratio, the more interference you have and the greater the number of packets that will
need to be re-sent because they didn't come through the first time. For this reason, a noisy line can dramatically cut throughput. Line attenuation measures the drop in voltage that comes with splitting the signal (especially for cable modems) and with long runs of cable or older wiring. Excessive signal loss will cause a drop in throughput.
For DSL modems, anything above about 50 dB for line attenuation is poor and 20 to 30 dB is excellent. For signal-to-noise ratio, 7 to 10 dB is marginal and 20 to 28 dB is excellent. SN margin registered at 12.5 dB, barely reaching the good range, and its line attenuation reading was 30.5 dB, which rates as very good. Note that acceptable ranges may vary depending on your service level and modem type (faster connections need to be cleaner), so check with your cable or DSL provider to see what numbers you should look for.

Wait for the next tips in the next post.

(source: tech.msn)

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