Powering a 79xx Cisco Phone with a Standard POE

A VoiP Phone Cisco 7040G arrived to my home (on another post I’ll explain why/how/etc) and the big surprise was that it has to be fed with an special POE from Cisco. It’s called pre-standard POE. I have a standard POE (802.3af) that fed properly my previous VoIP phone… and after connecting it to the 7940, the phone won’t boot up… Continue Reading →