U.S. federal trademark · Serial No. 74497981 · Reg. No. 1936449
digital lightwave transmission terminals for fiber-optic telecommunications transmission; bridges providing integration for multiple local area networks; multiplexers; transceivers; internetworking data compressors; computer software in the field of network management; fiber-optic telecommunications alarm and performance monitoring, remote control and diagnostic systems comprising a mini-computer operating in conjunction with micro-processors built into other equipment, a panel with CRT display, computer memories, keyboards, maintenance status indicators and computer printers; aluminum wall-mounted cabinets designed to hold fiber-optic telecommunications equipment; and user manuals sold as a unit with each of the above
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