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    1. Network Design

    Fiber-optic modem

    Oct. 1, 1996

    Fiber-optic modem

    OSD325 fiber-optic modem offers full-duplex video, high-quality program audio, data, 2- or 4-wire intercom, as well as hook on/off signaling for intercom. Normal operation is over two singlemode or multimode fibers (one for each direction); singlemode fiber operation is available with an optional built-in WDM. The modem is available as a stand-alone AC- or DC-powered module or as a plug-in card for the OSD370 14-slot, 19-inch rack-mounting chassis. Applications include closed-captioned TV systems using reverse video channel for camera synchronization, videoconferencing and deployable video/audio surveillance systems.

    Optical Systems Design Pty. Ltd.

    Mona Vale, N.S.W. Australia

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