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RJ11 cable query

I am connecting an

Open Reach Mk 4 double Master Socket 5C

to a new BT Smart Hub 2

using an RJ11 to RJ11 ADSL  2+ cable, which has 4 gold  pins

This works intermittently.

My old cable, which has 2 gold pins, works every time,

even though one of the plastic holding clips is broken.

The supplier of the cable says that it may a compatibility issue?

BT are sending me a new cable, but could not explain why my new cable would not work properly.

Anybody care to offer an explanation.

Thanks.

Tony

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Message 2 of 3

Re: RJ11 cable query

I could understand if the cable didn't work at all as there are 2 versions of RJ11 cable, straight and crossover, but not intermittently faulty.

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Message 3 of 3

Re: RJ11 cable query

As Licquorice said, there have been instances in the past where 4 core RJ11’s don’t work at all with some (old) equipment, but for it to work intermittently is another issue.  Couple of suggestions:

  •  Have a close look at the plug pins on both ends see if there is any crud on them.  It can happen that a bit of muck makes for a poor contact.
  • The RJ11 socket on the Mk4 is actually one of those that can take both an RJ45 or an RJ11.  This sometimes makes the RJ11 a bit of a loose fit, so if it’s knocked it might be losing contact.
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