GENERAL DESCRIPTION

The XRT83SL30 is a fully integrated single-channel short-haul line interface unit for T1(1.544Mbps) 100Ω, E1(2.048Mbps) 75Ω or 120Ω and J1 110Ω applications.

FEATURES

• Fully integrated single-channel short-haul transceiver for E1,T1 or J1 applications

• Programmable Transmit Pulse Shaper for E1,T1 or J1 short-haul interfaces

• Five fixed transmit pulse settings for T1 short-haul applications plus a fully programmable waveform generator for transmit output pulse shaping

• High receiver interference immunity

• Receive monitor mode handles 0 to 29dB resistive attenuation along with 0 to 6dB of cable attenuation for both T1 and E1 modes

• Supports 75Ω and 120Ω (E1), 100Ω (T1) and 110Ω (J1) applications.

• Internal and/or external impedance matching for 75Ω,100Ω, 110Ω and 120Ω.

• Tri-State transmit output and receive input capability for redundancy applications

• Provides High Impedance for Tx and Rx during power off

• Transmit return loss meets or exceeds ETSI 300 166 standard

• On-chip digital clock recovery circuit for high input jitter tolerance

• Crystal-less digital jitter attenuator with 32-bit or 64- bit FIFO Selectable either in transmit or receive path

• On-chip frequency multiplier generates T1 or E1 Master clocks from variety of external clock sources

• On-chip transmit short-circuit protection and limiting, and driver fail monitor output (DMO)

• Receive loss of signal (RLOS) output

• On-chip HDB3/B8ZS/AMI encoder/decoder

• QRSS pattern generation and detection for testing and monitoring

• Error and Bipolar Violation Insertion and Detection

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APPLICATIONS

• T1 Digital Cross-Connects (DSX-1)

• ISDN Primary Rate Interface

• CSU/DSU E1/T1/J1 Interface

• T1/E1/J1 LAN/WAN Routers

• Public switching Systems and PBX Interfaces

• T1/E1/J1 Multiplexer and Channel Banks