Technology Industry
Industry: Email Alert RSS FeedTransceiver IC handles both T1 CSU and ISDN primary-rate interfaces. (Level One Communications Inc.'sLXT310 transceiver)(Electro '92 Show Guide & Product Spotlight)(Product Update) (Product Announcement)
EDN, May, 1992 by Quinnell, Richard A.
The LXT310 transceiver integrates most of the elements of a T1-rate telephone channel-service unit (CSU) with ISDN primary-rate interface compatibility into one IC. The device allows you to build CSU capability into other customer premise equipment rather than having to add separate units.
The transceiver has separate transmit and receive ports, each capable of either bipolar or unipolar operation. Both ports integrate most of the active components needed for connection to the telephone network, requiring only isolation transformers and impedance-matching resistors to complete the interface. The device complies with relevant industry standards, including ANSI T1.403 and 408, FCC part 68, and AT&T Pub 62411.
The transmit port can drive signals...
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