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PE68828A2

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LXT361 Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications Datasheet Applications ■ ■ ■ ISDN PRI CSU/NTU interface to T1/E1 Service Wireless Base Station interface ■ ■ ■ T1/E1 LAN/WAN bridge/routers T1/E1 Mux; Channel Banks Digital Loop Carrier - Subscriber Carrier Systems Product Features ■ ■ ■ ■ ■ ■ Fully integrated transceiver for Long or Short-Haul T1, or E1 interfaces Crystal-less digital jitter attenuation — Select either transmit or receive path — No crystal or high speed external clock required Meets or exceeds specifications in ANSI T1.102, T1.403 and T1.408; ITU I.431, G.703, G.736, G.775 and G.823; ETSI 300166 and 300-233; and AT&T Pub 62411 Supports 75 Ω (E1 coax), 100 Ω (T1 twisted-pair) and 120 Ω (E1 twisted-pair) applications Selectable receiver sensitivity – fully restores the received signal after transmission through a cable with attenuation of either 0 to 26 dB, or 0 to 36 dB @ 772 kHz and 0 to 43 dB @ 1024 kHz Five Pulse Equalization Settings for T1 Short-Haul applications ■ ■ ■ ■ ■ ■ ■ ■ ■ Four Line Build-Outs for T1 Long-Haul applications from 0 dB to -22.5 dB Transmit/receive performance monitors with Driver Fail Monitor Open and Loss Of Signal (lOS) outputs Selectable unipolar or bipolar data I/O and B8ZS/HDB3 encoding/decoding Line attenuation indication output in 2.9 dB steps QRSS generator/detector for testing or monitoring Output short circuit current limit protection Local, remote, and analog loopback, plus in-band network loopback code generation and detection Intel/Motorola compatible 8-bit parallel interface for microprocessor control Available in 28-pin PLCC, 44-pin PQFP and 44-pin LQFP packages As of January 15, 2001, this document replaces the Level One document Order Number: 249032-002 known as LXT361 — Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications. 04-Jan-2006

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