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Old 30th Jul 2019, 8:57 pm   #1
Pellseinydd
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Default Panasonic KX-TEA308E PABX

I've just dug a couple of these little analogue PABX's out from the 'Stores' where they haven't been used for a couple of years. I've had them for a good few years (ten at least) and I find that the 3 volt button cell which retains the programming memory settings seem to have 'died'.

Does anyone know of a source of them?

Most of the dealers have moved on to VoIP and as the system is not longer supplied by Panasonic after a run of a good few years there doesn't seem much chance from them. The 3v button cell/s have 'legs' attached to it - all the similar ones don't have the 'legs' :-( It appears to be a Panasonic CR2354 - plenty of legless ones! Not much info on the internet.

Also it was possible to run the PBX from a pair of 12 volt car type batteries - anyone know a source of the leads - Backup Battery Cable (KX-A227) ??

To be used to convert DTMF incoming from an ATA to pulse dialling and vice-versa when operating in remote locations running phones off CNet.
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Old 30th Jul 2019, 9:04 pm   #2
McMurdo
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Default Re: Panasonic KX-TEA308E PABX

RS do them, either in vertical standup or horizontal flat-to-pcb variety.
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Old 30th Jul 2019, 9:05 pm   #3
SiriusHardware
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Default Re: Panasonic KX-TEA308E PABX

Will these do? Quite expensive, but definitely has legs / pins (3) - you didn't make it clear whether it was a two pin or three pin type you were after.

https://www.batterycity.co.uk/panaso...1gu-1-stk-4752
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Old 30th Jul 2019, 9:28 pm   #4
Pellseinydd
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Default Re: Panasonic KX-TEA308E PABX

Managed to find the button cell with legs but no joy yet with the backup battery lead :-(

Thanks for response. Odd they didn't come up in the searches before posting. Farnells do them at nearly half the price but none available before November :-(
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Old 30th Jul 2019, 9:33 pm   #5
McMurdo
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Default Re: Panasonic KX-TEA308E PABX

the last one I had (internal lead acid lead for a DBS) I found the connector and made one up myself. Do you want to try that, and if so do you have a closeup of the connector on the pabx so it might be recognised? AFAIK it's just a plug, a cable with inline fuseholder and a couple of lugs.
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Old 31st Jul 2019, 6:56 pm   #6
dagskarlsen
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Default Re: Panasonic KX-TEA308E PABX

I did as Kevin, any 2 cell NiCd will do the job.

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