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Intel - (LXT300Z / LXT301Z) Advanced T1/E1 Short-Haul Transceivers

Numéro de référence LXT300Z
Description (LXT300Z / LXT301Z) Advanced T1/E1 Short-Haul Transceivers
Fabricant Intel 
Logo Intel 





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LXT300Z fiche technique
LXetT43U0.c0oZm/LXT301ZAdvanced T1/E1 Short-Haul Transceivers
She Datasheet
ta The LXT300Z and LXT301Z are fully integrated transceivers for both North American 1.544
a Mbps (T1) and International 2.048 Mbps (E1) applications. They are pin and functionally
.D compatible with standard LXT300/301 devices, with some circuit enhancements.
w The LXT300Z provides receive jitter attenuation starting at 3 Hz, and is microprocessor
w controllable through a serial interface. The LXT301Z is pin compatible, but does not provide
w jitter attenuation or a serial interface. An advanced transmit driver architecture provides constant
mlow output impedance for both marks and spaces, for improved Bit Error Rate performance over
various cable network configurations. Both transceivers offer a variety of diagnostic features
oincluding transmit and receive monitoring. Clock inputs may be derived from an on-chip crystal
oscillator or from digital inputs. They use an advanced double-poly, double-metal CMOS
.cprocess and require only a single 5-volt power supply.
Applications t4Us PCM/Voice Channel Banks
s Data Channel Bank/Concentrator
es T1/E1 multiplexers
s Digital Access and Cross-connect Systems
e(DACS)
s Computer to PBX interfaces (CPI & DMI)
s High-speed data transmission lines
s Interfacing Customer Premises Equipment
to a CSU
s Digital Loop Carrier (DLC) terminals
Product Features Shs Data recovery and clock recovery functions s Local and remote loopback functions
tas Receive jitter attenuation starting at 3 Hz
exceeds AT&T Pub 62411, Pub 43801, Pub
a43802, ITU G.703, and ITU G.823
(LXT300Z only)
.Ds Line driver with constant low mark and
space impedance (3 typical)
s Minimum receive signal of 500 mV
ws Adaptive and selectable (E1/DSX-1) slicer
levels for improved SNR
s Programmable transmit equalizer shapes
wpulses to meet DSX-1 pulse template from
m0 to 655 feet or drive 120 twisted pair or
w o75 coax cable for E1
s Digital Transmit Driver Monitor
s Digital Receive Monitor with Loss of
Signal (LOS) output and first mark reset
s Receiver jitter tolerance 0.4 UI from 40
kHz to 100 kHz
s Microprocessor controllable (LXT300Z
only)
s Compatible with most popular PCM
framers
s Available in 28-pin DIP or PLCC
.DataSheet4U.cAs of January 15, 2001, this document replaces the Level One document
wwwLXT300Z/LXT301Z — Advanced T1/E1 Short-Haul Transceivers.
Order Number: 249066-001
January 2001

PagesPages 30
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