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Vintage Telephony and Telecomms Vintage Telephones, Telephony and Telecomms Equipment |
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9th Nov 2009, 9:04 pm | #21 |
Retired Dormant Member
Join Date: May 2008
Location: Kent
Posts: 13
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Re: GPO 746 conversion HELP!!???!!
I do see why Andrew suggested not being tempted to leave the phone wired this way as you're potentially side-stepping a bigger problem that exists elsewhere, if you're Master socket is at fault you really ought not to ignore that.
I was mererly curious as to whether implementing this as a long term fix was a bad idea for any other reason, EG could cause damage to the instrument. My curiosity has been sufficently satisfied, thanks your input chaps. This is a useful troubleshooting tip to have in the arsenal. Ambassador |
11th Nov 2009, 10:12 am | #22 | |
Heptode
Join Date: Mar 2003
Location: Waiheke Island, New Zealand
Posts: 503
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Re: GPO 746 conversion HELP!!???!!
Quote:
IF BT had reversed A + B wires at the pole end would that make a difference?? What is the consequence of leaving the phone like this apart from leaving the fault? What would happen if a phone converted this way was put onto a 'fault free' system? I can't imagine that 2 phones both has blue wire problems?? I do have microfilters in all the secondary sockets maybe that is a problem Thanks |
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11th Nov 2009, 11:29 am | #23 |
Dekatron
Join Date: Jul 2007
Location: Penrith, Cumbria, UK.
Posts: 3,687
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Re: GPO 746 conversion HELP!!???!!
None at all. What would make a difference is if your extension wiring was not contiguous, ie: terms. 2, 3 and 5 from your master LJU should go to terms. 2, 3 and 5 in ALL extensions. If one extension has terms. 2 and 5 reversed WRT the other extensions, you'll get ringer problems.
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Regds, Russell W. B. G4YLI. |