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All About ADSL Internet Connections in Singapore

All About ADSL Internet Connections in Singapore
Read on to learn about DSL filters and how to trouble shoot common problems with your home's ADSL internet setup.

DSL Phoneline Filters

The DSL filter is basically an analog low-pass filter with one end connected to your phone line wall socket. It then splits this signal with one going to your normal phone or fax device, and the other going to your modem

The phone and ADSL's multiple high frequency carriers overlayed on top of one another is what causes the hissing sound on an unfiltered DSL line.

Trouble Shooting ADSL

Here's some handy information for ADSL Boardband Problems:

1) The ADSL internet connection drops whenever someone in the house picks up a telephone or there's an incoming call. 2) All or some of the telephones in the same household have stopped ringing. 3) There is a hissing sound on the telephone voice line when the ADSL modem is turned on or when ADSL is connected. 4) The Caller ID function no longer works when the ADSL modem is on. 5) The earpiece volume on your DECT phone or normal phone is very soft

If any of all of the above is happening to you, chances are that one or more of your ADSL microfilter is malfunctioning.

For an ADSL internet setup, the ADSL signals are sort of overlayed on top of the normal phone voice/fax signals. This means that all the phonelines in use i.e. attached to an active phone or fax device must be connected with a DSL filter so that both the phone signals and DSL internet signals can co-exist.

One way to systematically trouble shoot a home ADSL internet setup is to replace each or all of the ADSL microfilters to find which is the filter that is not working properly.

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