[atlas] Power plugs for the Anchor nodes

On 14/11/2013 16:06, Job Snijders wrote:
> How have others solved the issue? Any ideas on how to get these Anchors
> to run on 48V DC (for telco-style deployment)?

https://www.soekris.com/manuals/net6501_manual.pdf

> 4.1 J7, DC Input Jack
> The 2.1mm DC Power Jack should be used for connecting a small wall mount
> unregulated power adapter, supplying 6V - 28V DC at minimum 15 VA,
> preferable more depending on expansion added, with a 5.5mm outside,
> 2.1mm inside female power plug with plus at center pin. It is protected
> against reverse polarity.
> Please note that standard unregulated power transformers can supply much
> higher voltage that the specified nominal voltage, so when using such a
> type it's recommended to use one that is specified for 16V DC or less.

So all you need to do is transform from -48VDC to say +16V/1A and feed that
to a 2.1mm connector.

Nick