NEC Announces New 3000 Series Digital Microwave Radio
Enhanced Radio is More Feature Rich, Power-Efficient, Complements Current Product Line
IRVING, Texas February 4, 2000 - NEC America, Inc. (NEC), a leading provider of digital microwave radio products, announces its 3000 Series SONET/SDH Digital Microwave Radio System at CTIA 2000 in New Orleans, February 28 – March 1, booth #3131. The 3000 Series digital microwave radio, which is already shipping, is designed to carry one OC-3/STM-1, plus 2 optional wayside DS1s per RF channel in the 4-13 GHz bands. Employment of the optional Cross-polarization Interference Canceller (XPIC) enables the reliable transmission of up to 16 OC-3s in the 6 GHz band.
"The 3000 Series radio includes a number of enhancements to benefit users of high capacity, synchronous digital microwave radio," said Wally Strader, director, systems engineering, Digital Microwave Radio Department, NEC America, Inc. "Individual space diversity receivers for each RF channel now employ automatic differential absolute delay equalization (DADE) and minimum dispersion IF combining to minimize propagation outages. The available four-fiber interface for each RF channel eliminates single-point-of-failure hardware related outages, even in linear systems. These enhancements in aggregate with NEC's initial quality make the 3000 Series digital microwave radio an extremely reliable high capacity radio on the market today."
NEC incorporated its own advanced technologies throughout the 3000 Series, including Microwave Integrated Circuits (MICs) and Hybrid ICs (HICs), which make the transmitters and receivers durable and compact. Custom-made, large-scale integrated circuits (LSIs) enable advanced applications such as a new fully digital MODEM incorporated into a single LSI chip. Compactness and reliability are also gained by using low-power, high-speed complementary metal oxide semiconductor (CMOS) LSIs, which reduce overall power consumption.
Other NEC 3000 Series features include:
NEC offers a complete transmission network system, including radio, multiplex and network management systems, as well as complete factory integration, customer training, warranty and after sales support. Microwave radio products currently offered in North America include the NLITE Series, a high-frequency, low-capacity radio available in the 18, 23 and 38 GHz bands; the 2000 Series, a SONET/SDH microwave radio available in 6, 7/8 and 11 GHz bands; and the 2600 Series, an asynchronous, low-to-medium-capacity digital microwave radio that transmits up to 32 DS1s providing the highest traffic capacity available in a 10MHz bandwidth. Additionally, NEC now offers quick delivery on its 2600 Series radio. All NEC microwave radio products carry a standard 3-year warranty, the longest in the industry.
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Various System Applications – ring or linear network topology, hot standby or 1+N protection
Excellent Threshold/Interference Ratio & Standard ATPC (Automatic Transmitter Power Control) – eases frequency coordination
Synchronization Flexibility – dual external clock inputs, clock derived from incoming optical or RF signals, redundant internal clocks
Advanced Operation, Administration, Maintenance & Provisioning (OAMP) – configuration database download, edit, and upload capability
Alarm Correlation & Onboard Alarm History – simplifies fault analysis
Low Power Consumption & Convection Cooling – no fans or filters requiring maintenance
Compact, Total Front Access Design – 1+7 terminal in less than 4 square feet of floor space
NEC's High-Performance, Field-Proven Technology