DART Device
Advanced E3/DS3 Receiver/Transmitter
TXC-02030
DATA SHEET
FEATURES
鈥?Single LIU for E3 and DS3
鈥?Meets 鈥榗ross-connect frame鈥?mask requirements
鈥?Adaptive equalization for 0 - 900 ft of cable for
DS3, 0-1300 ft for E3
鈥?Input dynamic range of 30 dB (35 mVp - 1.1Vp)
鈥?Meets E3/DS3 jitter requirement standards
鈥?Optional HDB3 or B3ZS line encoding/decoding
鈥?Line and terminal side E3 or DS3 AIS insertion
鈥?Full loopback capabilities
鈥?Coding violation and excessive zeros monitors
鈥?Loss of signal detection (per T1/M1 Spec)
鈥?On-device transmit line buffer/filter for DS3; E3
square-wave output
鈥?Receive and transmit power-down modes
鈥?Dejitter PLL/dejitter buffer using external VCXO
鈥?Meets all relevant ANSI and ITU-T standards
鈥?Single +5 volt,
鹵5%
power supply
鈥?80-pin low profile plastic quad flat package
DESCRIPTION
The Dual-market Advanced E3/DS3 Receiver/Transmit-
ter (DART) device performs the receive and transmit line
interface functions required for transmission of E3
(34.368 Mbit/s) or DS3 (44.736 Mbit/s) signals across a
coaxial interface.
The DART operates from a single +5 volt supply with a
minimum number of external components. Performance
monitoring, loopbacks, E3/DS3 AIS generation, dejitter
FIFO, dejitter PLL, PRBS diagnostic circuits and HDB3/
B3ZS encoding/decoding functions are included.
A single-device solution for interfacing E3 or DS3 sig-
nals to DSX cross-connect frames, the DART meets all
applicable ANSI, BellCore and ITU-T interconnection
specifications for a wide range of system applications.
Specifications include, but are not limited to ANSI
T1.102-1993, ANSI T1.404-1994, GR-499-CORE, ITU-T
G.703, G.751, G.755, G.823, and ETSI TBR24.
APPLICATIONS
鈥?Multiplexers
鈥?E3/DSX and performance monitoring cross-connects
鈥?Fiber optic and microwave radio terminals
鈥?High speed DSU
鈥?Any E3/DS3 transmission application
LINE SIDE
Dejitter PLL/Dejitter FIFO I/Os
TERMINAL SIDE
Line Inputs
DART
Advanced E3/DS3
Receiver/Transmitter
Terminal Outputs
Line Outputs
Terminal Inputs
Control
Inputs
Status/Performance
Monitors
U.S. Patents No. 5,119,326; 5,323,423; 5,548,833
Copyright
餂?/div>
2000 TranSwitch Corporation
DART is a trademark of TranSwitch Corporation
TranSwitch and TXC are registered trademarks of TranSwitch Corporation
Document Number:
PRELIMINARY
TXC-02030-MB
Ed. 2A, April 2000
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TranSwitch Corporation
鈥?/div>
3 Enterprise Drive
鈥?/div>
Shelton, Connecticut 06484
Tel: 203-929-8810
鈥?/div>
Fax: 203-926-9453
鈥?/div>
www.transwitch.com
Electronic-Library Service CopyRight 2003
鈥?/div>
USA
PRELIMINARY
information documents contain information on products in the sampling, pre-production
or early production phases of the product life cycle. Characteristic data and other specifications are
subject to change. Contact TranSwitch Applications Engineering for current information on this product.
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