Patent ID: 8211580

Claim:
A cabinet comprising: electronic equipment housed within said cabinet, wherein said electronic equipment is for connection to subscriber lines or provider lines; and a fuel cell power backup system for providing backup power to said electronic equipment in the case of a power failure, wherein said fuel cell power backup system is housed within said cabinet and wherein said fuel cell power backup system includes: a fuel cell disposed inside said cabinet for generating the backup power; a liquid cooling system for dissipating heat generated by said fuel cell; and a controller that controls said liquid cooling system for maintaining a predetermined temperature range of a first cooling liquid of said fuel cell, wherein said liquid cooling system is a single loop liquid cooling system including: a liquid-to-air heat exchanger that receives said first cooling liquid from said fuel cell and dissipates heat from said first cooling liquid to an outside environment of said cabinet; and a pump that circulates said first cooling liquid between said fuel cell and said liquid-to-air heat exchanger.