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Alarm-transmission system

Aug. 1, 1995

OSD143/144 fiber-optic alarm-transmission system supports 20 alarms on one optical fiber. Twenty-alarm extender cards can be added, allowing 60 alarm states to be transmitted. The system`s sampling rate of 25 kilosamples per second enables an optional version to operate as a 20-to-120 channel data multiplexer.

Optical Systems Design

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A dozen speeds in the Ethernet roadmap

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