
LXT361
Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications
Datasheet
Applications
Product Features
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ISDN PRI
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CSU/NTU interface to T1/E1 Service
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Wireless Base Station interface
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T1/E1 LAN/WAN bridge/routers
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T1/E1 Mux; Channel Banks
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Digital Loop Carrier - Subscriber Carrier
Systems
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Fully integrated transceiver for Long or
Short-Haul T1, or E1 interfaces
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Crystal-less digital jitter attenuation
—Select either transmit or receive path
—No crystal or high speed external clock
required
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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 300-
166 and 300-233; and AT&T Pub 62411
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Supports 75
(E1 coax), 100
(T1
twisted-pair) and 120
(E1 twisted-pair)
applications
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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
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Five Pulse Equalization Settings for T1
Short-Haul applications
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Four Line Build-Outs for T1 Long-Haul
applications from 0 dB to -22.5 dB
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Transmit/receive performance monitors
with Driver Fail Monitor Open and Loss Of
Signal (lOS) outputs
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Selectable unipolar or bipolar data I/O and
B8ZS/HDB3 encoding/decoding
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Line attenuation indication output in 2.9 dB
steps
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QRSS generator/detector for testing or
monitoring
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Output short circuit current limit protection
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Local, remote, and analog loopback, plus
in-band network loopback code generation
and detection
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Intel/Motorola compatible 8-bit parallel
interface for microprocessor control
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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
known as
LXT361 — Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications
. January 2001
Order Number: 249032-001