XRT83L30

• Fully integrated single-channel long-haul and shorthaul transceiver for E1,T1 or J1 applications.
• Adaptive Receive Equalizer for cable attenuation of up to 45dB for T1 and 43dB for E1.
• 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.
• Programmable Transmit Line Build-Outs (LBO) for T1 long-haul application from 0dB to -22.5dB in three 7.5dB steps.
• Tri-State transmit output and receive input capability for redundancy applications
• Selectable receiver sensitivity from 0 to 36dB or 0 to 45dB cable loss for T1 @772kHz and 0 to 43dB for E1 @1024kHz.
• 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 75W and 120W (E1), 100W (T1) and 110W (J1) applications.
• Internal and external impedance matching for 75W,100W, 110W and 120W.
• 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
• Receiver Line Attenuation Indication Output in 1dB steps
• Network Loop-Code Detection for automatic Loop- Back Activation/Deactivation
• Transmit All Ones (TAOS) and In-Band Network Loop Up and Down code generators
• Supports Analog, Remote, Digital and Dual Loop- Back Modes
• Meets or exceeds T1 and E1 short-haul and longhaul network access specifications in ITU G.703,