The backbone of northeastern Chinas first fiber-optic intelligent highway management system is the

Feb. 1, 1998

The backbone of northeastern China`s first fiber-optic intelligent highway management system is the sonetlynx digital multiplexer from Intelect Networks Technologies of Richardson, TX. The Ha-Da Expressway system, Heilongjiang Province, consists of seven nodes spread over 130 km. The OC-1 (52-Mbit/sec) network supports video and local area network data and voice traffic for the Traffic Police. E1 (2.084 Mbits/sec) and RS-232 signals are carried over the network. In-telect`s multiplexer controls the network`s communications and operations by linking previously discrete voice, video, and data signals into a unified signal. The signal is then transmitted over a sonet or sdh fiber-optic network.

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