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Pinout for RND4 four-pin external plugpack
I have a 4-disc ReadyNAS without its external power supply. EBay lists only sources for these power supplies from the USA, with extortionate freight charges - even entries that advertise "free inter...
If the model number is correct in your post, this one should be compatible: https://www.amazon.com/Netgear-ReadyNAS-314-RN31421D-100NAS-RN31441E-100NAS/dp/B013SA5OCM
That is correct. However, Amazon do not ship to Australia. Hence the actual question - of the plug/pinout, so I can sort out a power supply myself without having to deal with international issues.
Thanks,
Kevin.
I didn't realize you were in Australia.
It should be a 90W (12 vdc, 7.5 amp) adapter.
I don't know the complete specs, but the RN314 Netgear adapter (which is compatible) should have CAM090121 on the label and a part code 332-10581-01. So you can google on those. Googling on "DPS-90FB A" might also help.
Netgear resellers in Australia might possibly carry the part. https://www.netgear.com.au/home/shop/#tab-onlinestores
Thanks StephenB,
Based on the DPS key I have found several suppliers of these PSUs that can send me one for about AU$60. They apparently are or were used for a variety of laptops.
Leveraging from your information I found that the connector is a Kycon KPPX-4P. These are available from some electronics specialists such as Farnell/Element14 and Mouser for about $7.
I now know the rating of the supply. Conveniently I have a nice PSU branded "Physio Control" with that exact rating, actually putting out 12.85 V unloaded.
The remaining unknown is the pinout. Googling suggests the most likely layout is pins 1 & 2 positive, pins 3 and 4 negative. I will strip the unit to the circuit board out and trace the tracks to confirm.
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