enclosures for computers that provide for air flow from the outside thereinto by a vent fan powered from an uninterruptible power supply in case of a failure of the air conditioner for the enclosure

Uninterruptible electrical power supplies

self-contained electrical power systems providing electrical power for long durations

Computer apparatus, namely, a converter that superimposes an Ethernet signal on an existing cable; Ethernet adapters; Ethernet cables; Ethernet controllers; Ethernet repeaters; Ethernet switches; Ethernet transceivers

computer peripherals comprised of an uninterruptible power supply, an electronic power center and a surge suppressor

Quality power management, generation, and backup equipment

Computer software for the storage of electronic data in a mass data storage system