Asymmetrical digital subscriber line components, namely, central office and remote terminal telecommunications hardware modules, access concentraters; test sets and central office data collection interfaces, all with electronic mountings therefor; network channel terminating equipment, namely, tie trunk interface module, dial long line modules, and data station termination modules, all with electronic mountings therefor, repeaters and power supplies; access multiplex components, namely electr...

metal housings for electronic components

outdoor temperature control systems being metal housings for electronic components that adjust fans and alarms for protecting telecommunications networking equipment from outdoor temperature, moisture and other environmental conditions

Outdoor temperature control systems, comprised of housings incorporating digital thermostats and programmable controllers for protecting telecommunications networking equipment from outdoor temperature, moisture and other environmental conditions

Engineering and design of carrier-class communications equipment, including digital transmission, remote monitoring, power distribution and demarcation products used by wireline and wireless telecommunications service providers, industrial customers, and home network users