DORSAL

Fiber optic telecommunications equipment and systems comprised of such equipment, namely, repeaters, fiber optic light and image conduits, fiber optic cables, power cables, electrical power supplies, computer hardware, optical transmitters, optical receivers, telecommunications switches, multiplexers, repeater housing, and cabinets, shelves and trays that house telecommunications equipment; computer software for use in network management for fiber optic cable networks; element management programs, namely computer software programs that manage the functions and capabilities of telecommunications hardware and software elements in fiber optic cable networks

Construction, installation, maintenance, repair and upgrade of fiber optic telecommunications equipment and systems comprised of such equipment, namely, repeaters, fiber optic light and image conduits, fiber optic transport equipment, fiber optic cables, power cables, electrical power supplies, computer hardware, optical transmitters, optical receivers, switches, multiplexers and repeater housing; construction, installation, maintenance, repair and upgrade of cabinets, shelves and trays that house telecommunications equipment; construction, installation, maintenance, repair and upgrade of buildings that house telecommunications equipment; construction, installation, maintenance, repair and upgrade of heating, ventilation and air conditioning equipment in buildings that house telecommunications equipment

Technical support services, namely, troubleshooting of optical communication networks, computer software and computer hardware problems; monitoring of optical and electrical signals in fiber optic telecommunication networks and systems; technical support, namely, monitoring networks with line monitoring equipment; installation, repair and updating of computer software for fiber optic cable networks