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Author Topic: Queries re: ZyXEL Devices' PSU  (Read 130 times)

Weaver

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Queries re: ZyXEL Devices' PSU
« on: June 25, 2020, 11:42:20 PM »

Thanks to tubaman and burakkucat for the tip about the BT Home Hub 3 PSU. I’ve just bought a couple from eBay for £7.99 each as I will need spares for my ZyXEL VMG 1312-B10A modems.

Not wishing to hijack the thread, should perhaps consider splitting this off -

Q1: Does anyone know if ZyXEL kit has common format PSUs physically and electrically?

Q2: I would like a recommendation for some PSU which is compatible with that for a ZyXEL NWA3560-N WAP.

[Moderator note: This post has been split off to start a new thread.]
« Last Edit: June 26, 2020, 12:41:34 PM by burakkucat »
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burakkucat

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Re: Queries re: ZyXEL Devices' PSU
« Reply #1 on: June 26, 2020, 12:53:36 PM »

A1: I have no idea but it would be sensible if that were the case.

A2: Check the existing PSU for the voltage and (maximum) current that it can supply. Check the polarity at the barrel-plug; don't assume the inner is +ve and the outer sleeve is -ve. Check the length of the barrel-plug plug. Check the diameter of the barrel-plug. This last step is the most difficult . . . Check the diameter of the central pin of the socket.

With regards to the last step. Some PSUs have barrel-plugs whose inner connection is sprung and can adapt to take a socket's central pin ranging from 2.1 mm to 2.5 mm in diameter.
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broadstairs

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Re: Queries re: ZyXEL Devices' PSU
« Reply #2 on: June 26, 2020, 01:31:23 PM »

I'm pretty sure that there is no common ground with Zyxel PSUs, my 8324 and 8924 had different PSU outputs, as far as I remember the voltage was the same but current differed.

Stuart
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Weaver

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Re: Queries re: ZyXEL Devices' PSU
« Reply #3 on: June 26, 2020, 06:23:50 PM »

i should perhaps have split out current capacity from the ‘commonality’ thing, as some devices require more current.
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