[Asterisk-Users] 7960 Dies when network cable connected

[Robert Webb]

On Tue, 08 Mar 2005 14:11:26 -0500
  niles at atheos.net wrote:
> Christopher Jacob wrote:
> 
>>Hey All,
>>
>>I have a user whose Cisco 7960 died the other day. When 
>>you disconnect the
>>Ethernet cable the phone boots (as far as it can w/o 
>>network connectivity)
>>but as soon as you plug in the CAT5 it goes dead. (no 
>>lights, no sound, no
>>display, nothing)
>>  
>>
> Christopher,
> 
> Just as a total guess, check to be sure the PoE portion 
>of his cat5 cable are not either grounded, or touching
> each other.  Also, be sure he's not connected to a PoE 
>capeable switch since cisco is reverse polarity of the
> PoE standard.
> Niles
> 

Also, this sounds like it needs to go to Cisco tech 
support not asterisk support...