The XRT65119CD is a highly integrated 8-channel T1/E1/J1 line interface unit (LIU) transceiver from Exar Corporation. This device is engineered to provide a complete physical layer interface between network equipment and T1, E1, and J1 lines. It integrates all necessary functions for transmitting and receiving data according to these telecommunications standards, which simplifies board design and reduces the number of components needed.

Applications

• Digital Cross-Connect Systems (DCS)
• PBX Systems
• Channel Banks
• Wireless Base Stations
• Voice over IP (VoIP) Gateways
• Data Routers and Switches
• Test Equipment

Features

• Eight Independent T1/E1/J1 Transceivers
• Integrated Clock and Data Recovery (CDR)
• Line Build-Out (LBO) for various cable lengths
• Jitter Attenuation
• Pulse Shaping
• On-chip Diagnostics and Loopback Testing
• Serial or Parallel Host Interface
• Low Power Consumption
• Small Footprint Package

Benefits

• Reduced board space requirements due to high integration
• Simplified system design and lower development costs
• Improved signal integrity through integrated CDR and pulse shaping
• Enhanced network performance with jitter attenuation
• Increased system reliability with on-chip diagnostics
• Lower power consumption for energy-efficient designs
• Flexible host interface options for easy integration with various processors and controllers

The XRT65119CD is designed to support both short-haul and long-haul applications via its programmable line build-out feature. It is engineered to meet the rigorous demands of telecommunications standards, ensuring consistent and reliable data transmission. The integrated clock and data recovery circuit eliminates the need for external components, further streamlining the design process. Comprehensive diagnostic features, including loopback testing, allow for straightforward troubleshooting and maintenance. The compact package and low power consumption make this transceiver suitable for a range of applications, including high-density systems and portable devices.

This device is compliant with industry standards such as ANSI T1.102, ITU-T G.703, and ITU-T G.704. Its ability to process T1, E1, and J1 signals offers a versatile solution for global telecommunications networks. The serial or parallel host interface provides flexibility in integrating with various processors and controllers, making it easy to incorporate into existing systems. The XRT65119CD's robust design and comprehensive feature set make it a good choice for high-performance telecommunications applications.