[Asterisk-Users] Where to get 48 volt Power Supplies for Cisco IP Phones

Gary gary at ausmail.com
Wed May 12 18:03:51 MST 2004


On Wed, 12 May 2004 16:27:21 -0400, Brian D Heaton wrote:

>You can probably pick up a cheap -48VDC power supply on Ebay.  Float it
>across 4 12V gel-cell batteries in series and punch down leads to the
>correct pairs from a distribution block near your CAT5 patch panels.
>
>Voilla! Instant POE and it will be battery backed too.

if the original poster likes this idea (which is neat...)
I have a rack mount 3 A supply with battery connections 240VAC input 
ex-telco lying around here which would be perfect for this this.
Its heavy but would be just the thing for this....   :-)

I'm in Australia, so contact me off list.

>On Wed, 2004-05-12 at 08:04, James Gardiner wrote:
>> Hi,
>> I picked up some Cisco IP phones 7940, however, was foolish to not catch the
>> fact that they do not come with power supplies..  Cisco power supplies for
>> them are  $150 (Can you believe it..) or more from a retailer I know.  I
>> found one place that sold compatible ones for $15 aus but with a 8 week turn
>> around..
>.....................
>
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