Electronic components and telecommunications equipment, namely, switches and encoders; power conversion products in the nature of electronic power supplies that convert DC voltages to other DC voltages, namely, DC to DC converters; radio frequency (RF) and intermediate frequency (IF) components in the nature of electronic components used inside electronic transmission and/or receiver systems that convert and manipulate received electronic signals to apply or extract intelligence by the user, namely, logarithmic amplifiers, phase shifters, and noise limiters; network access data transmission products, namely, fiber optic, DSL and voice frequency modems, ISDN terminal adapters, ISDN concentrators, multiplexers, and interface converters, fiber extensions, Local Area Network (LAN) extensions, automatic protection switches, Channel Service Units/Data Service Units (CSU/DSUs), remote telemetry, Internet Protocol (IP) interconnect gateways, routers and terminal servers for voice and data transmission; communications testing products in the nature of devices for testing Time Division Multiplexing (TDM) and Internet Protocol (IP) infrastructures, timing alignment (synchronization) of digital networks, and test instrumentation products for analog/digital circuit access and testing, namely, Building Integrated Timing Supply (BITS) clocks; wireless transmission products, namely, interface converters, routers and servers
Electrical and Scientific Apparatus