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

Nicholas Ruddick nicholasruddick at dopeflish.com
Mon May 24 11:30:17 MST 2004


Greg Boehnlein wrote:

>On Wed, 12 May 2004, Tom wrote:
>
>  
>
>>At 07:04 AM 5/12/2004, you 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..
>>>
>>>Can anyone point me in the direction where I can do some Mail Order of
>>>48volt power supplies (240 AC in Australia)
>>>      
>>>
>>I would not buy the Cisco supply.  I use the 3com 3cnjpse on most of our 
>>Cisco 7940g and 7960g phones.  They are available in the US for less than 
>>$20 each.  You need a custom wired Cat 5 cable (easy) from the power 
>>injector to the phone but this allows one less cord plugged into the back 
>>of the phone cluttering your desktop.
>>    
>>
>
>http://www.voip-info.org/wiki-Cisco+POE
>
>That is a link to the instructions for making your own POE injector cable 
>to use a standard 48v POE injector with a 79xx phone.
>
>  
>
I was just looking earlier and there are alot advertised on Ebay. Sub 
£20 is a good price. Shipped from Hong Kong usually tho.

Nicholas Ruddick



More information about the asterisk-users mailing list