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LXT351 Datasheet(PDF) 1 Page - Intel Corporation |
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LXT351 Datasheet(HTML) 1 Page - Intel Corporation |
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1 / 46 page ![]() LXT351 T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation Datasheet The LXT351 is a full-featured, fully-integrated transceiver for T1 and E1 short-haul applications. The LXT351 is software switchable between T1 and E1 operation, and offers pulse equalization settings for all short-haul T1 and E1 line interface (LIU) applications. The LXT351 offers an Intel/Motorola compatible parallel port for microprocessor control. The device incorporates advanced crystal-less digital jitter attenuation in either the transmit or receive data path starting at 3 Hz. B8ZS/HDB3 encoding/decoding and unipolar or bipolar data I/O are selectable. Loss of signal monitoring and a variety of diagnostic loopback modes can also be selected. Applications Product Features s SONET/SDH tributary interfaces s Digital cross connects s Public/private switching trunk line interfaces s Microwave transmission systems s Fully integrated transceivers for Short-Haul T1 or E1 interfaces s Crystal-less digital jitter attenuation — Select either transmit or receive path — No crystal or high speed external clock required s Meet or exceed specifications in ANSI T1.403 and T1.408; ITU I.431, G.703, G.736, G.775 and G.823; ETSI 300-166 and 300-233; and AT&T Pub 62411 s Supports 75 Ω (E1 coax), 100 Ω (T1 twisted-pair) and 120 Ω (E1 twisted-pair) applications s Fully restores the received signal after transmission through a cable with attenuation of 18dB, at 1024 kHz s Five pulse equalization settings for T1 short-haul applications s Transmit/receive performance monitors with Driver Fail Monitor Open (DFM) and Loss of Signal (LOS) outputs s Selectable unipolar or bipolar data I/O and B8ZS/HDB3 encoding/decoding s QRSS generator/detector for testing or monitoring s Output short circuit current limit protection s Local, remote and analog loopback capability s Compatible with Intel’s LXT360/361 T1/ E1 long haul/short haul transceiver (Universal LIU) s Multiple register parallel interface compatible with both Intel and Motorola microprocessors s Available in 28-pin PLCC and 44-pin PQFP packages As of January 15, 2001, this document replaces the Level One document Order Number: 249030-001 LXT351 — Integrated T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation. January 2001 |
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