Broadband Related > Telephony Wiring + Equipment

Redundant master socket

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ejs:
I'm not sure about the picking up RFI theory, but perhaps disconnecting the bell wire shortened the length of the bridged tap, and the changed characteristics of the bridged tap resulted in worse speed.

Normally it would be a connected bell wire that would be picking up interference, and disconnecting the bell wire solves that issue.

sevenlayermuddle:
It is worth considering whether there may have been other reasons for the change in speed, when the bell wire was disconnected.

Examples...

1) If the line had previously connected in daytime, and the ‘experiment’ took place in evening, then on resync there would have been an entirely expected increase in interference, that might have offset the benefit from cutting a  bell wire, especially if it were quite short.

2) If the experiment involved more than a couple of iterations, causing the modem to reconnect a few times, DLM might have perceived it as ‘instability’ and penalised the line, again offseting any benefits.

Just food for thought.  :)

badfish99:
OK, I cut off the wire as recommended, and it worked: about 50% increase in upstream speed, and a smaller increase in downstream. Thank you everyone.

burakkucat:
Thank you for reporting back with details of your success.  :)

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