[asterisk-users] Why Aastra uses 48V whereas other IP Phones use much less, i.e. 5-12V

Huib van Wees hvwees at gmail.com
Wed Nov 22 10:58:13 MST 2006


On 11/22/06, Zeeshan Zakaria <zishanov at gmail.com> wrote:
>
> Hi,
>
> Why Aastra phones use more electricity, i.e. 48VDC whereas other phones
> use much less, e.g. Grandstream and Linksys both use only 5VDC. I first
> thought it was because of PoE, but the ones with 5VDC also run fine on PoE.
> What is the difference in power consumption then?
>
48V is also a sort of "standard" for telco devices.... if I remember it
correctly...


-- 
Met vriendelijke groet / With kind regards,

H. van Wees
---
If UNIX isn't the solution, you've got the wrong problem.
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