[mythtv-users] Desk Top Power

[Daryl McDonald]

On Thu, May 14, 2015 at 11:06 PM, Michael Watson <
michael at thewatsonfamily.id.au> wrote:

> On 15/05/2015 9:24 AM, Daryl McDonald wrote:
>
>> Has anyone had success powering Ethernet switches, HDHR's, or Set Top
>> Boxes from the power supply of a PC?
>> I can see 5 or 12 VDC among the red black and yellow wires, I know it
>> would be polarity critical, and I really only need the gadgets when the PC
>> is on, or turns itself on.
>>
>> Any ideas pro or con?
>>
>>  There are many of the shelf products that can achieve this, often called
> a "smart switch/powerboard" or "energy saving switch/powerboard" that turn
> one or more plugs off/on depending on the load used by the master plug.
>
> Using one PC power supply has merit in saving energy as well.  You only
> have the energy efficiency losses in one power supply to worry about.  Each
> step-down power supply has its own losses in the step down process, so a
> good quality PC Power supply powering PC, Ethernet Switch, Router, HDHR may
> well use less power than the same pieces of hardware running off there
> individual power supplies.
>
> Regards
> Michael Watson
>
>
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Many thanks to all replies, I've learned a few things and now know where to
go to learn a few more.
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