The Ultra Mapper add-drop multiplexer (ADM) performs the framing, mapping, and multiplexing functions needed to move voice and data traffic between copper-basednetwork access facilities such as T1/E1 ...
WAYNE, N.J. — PMC-Sierra Inc. this week will release a device that combines a full OC-3/OC-12 add-drop multiplexer on a single chip with associated circuitry. The ADM 622 will target “pizza box” ...
Sonet/SDH, which dominates metro and long-haul networks, has always been complex and expensive. But it works so well! Parama Networks now makes it easier and less expensive to build next-generation ...
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