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Eircom Broadband with Dial-up characteristic
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27-05-2011 11:12pm#1
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I did read what you saidFilter/splitter, not filter, read what I said. I never said to filter the modem. It's always best to use the filter/splitter where phones are in place in the house, as it lessens the possibility of someone running an unfiltered connection off the main NTU.
The only purpose of a filter is to block off unwanted signals from other sources, not the modem or at least that's what I've always read and worked on the basis of. I know you never said to filter the modem. What you said was something like the equivalent of making sure to use a splitter even if you only use one phone at a socket. You said there should be a splitter/filter used and I still think that was incorrect. If people want to leave a filter/splitter in place that's fine (though it may slightly worsen signal margin) but it's not at all needed.
Of course, filters should be used where phones are in place however filter/splitters shouldn't be used where just a modem will be used.0 -
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Are you sure that you're not just using a BT to RJ11 adaptor i.e. the device that converts a standard RJ11 Irish/US phone connection to a standard UK BT phone connection?
These devices are about the size of a microfilter and have a BT socket one end and an RJ11 (Irish) plug on the other end. They just contain a capacitor to shunt the ringing signal onto a 3rd pin which is required by some older British phones and some BT-branded phones.
They look like this
- This is NOT a microfilter, it's just a simple plug-type adapter.
If you are using such an adaptor, it is not a DSL filter and your phone will screw up your ADSL connection. You still need a normal ADSL filter plugged into the socket.
Also, if you are using a Panasonic phone, it's unlikely that you'll need the original cable and plug anyway. Panasonic usually wire their phones correctly so if you swap the cable for an Irish RJ11 to RJ11 it should work perfectly and you will avoid that extra bulky box hanging out of your phone socket.
The only phones that usually require their original British cable tend to be older models and some BT branded phones. They wire the RJ11 socket on the bottom of the phone incorrectly, so it will not accept anything other than the cable that came with the phone.
In general, international brands i.e. the likes of Panasonic, Siemens etc, tend to wire their ports correctly and to international standards so you can swap the cable with no issue (usually).
ADSL Microfilter:
One of these must be fitted on the end of every telephone cable. Only your DSL modem should be directly connected to the line without a filter (or via the DSL port on a splitter).
Your phone (according to the pics above) is plugged directly into the line so it's interfering with the DSL.
Solution:
Option 1:
Buy a microfilter in a local hardware shop (some should have come with your modem).
Unplug the white adaptor from the eircom socket on the wall.
Plug in microfilter to wall socket.
Plug white BT adapter into the micro filter.
So it should look like this : Phone
>BT Adapter ---->Microfilter
>Phone Socket (on wall).
Option 2:
I know the model of phone you have (have the same one) so this will work.
Unplug the grey telephone cord from the base of the phone.
Replace with a standard Irish one.
Plug microfilter into phone socket on wall.
Plug phone into microfilter.
This will avoid having heaps of things hanging out of the phone socket!
NB:
ALL other devices on your line, i.e. Sky Boxes, Fax Machines, Telephones, Cordless phones etc must be connected to the line via a microfilter.
Only your modem should be directly connected to the line.0 -
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