LXT361
Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications
Datasheet
Applications
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ISDN PRI
CSU/NTU interface to T1/E1 Service
Wireless Base Station interface
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T1/E1 LAN/WAN bridge/routers
T1/E1 Mux; Channel Banks
Digital Loop Carrier - Subscriber Carrier
Systems
Product Features
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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
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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: 249032-001
known as LXT361 — Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications. January 2001
