The XRT91L80IBCWF is an Octal T1/E1/J1 Long Haul Transceiver from Exar Corporation, designed for high-density telecommunications equipment. It integrates eight independent T1/E1/J1 transceivers into a single IC, offering significant space and cost advantages over discrete solutions. This transceiver is ideal for applications demanding multiple T1/E1/J1 interfaces, such as central office switches and multi-service access nodes.

Applications:

• High-Density T1/E1/J1 Line Cards
• Digital Cross-Connect Systems (DCS)
• Central Office Switches
• Voice over IP (VoIP) Gateways
• Channel Service Units/Data Service Units (CSU/DSU)
• Wireless Base Stations
• Multi-Service Access Nodes (MSANs)

Features:

• Octal (8-Channel) T1/E1/J1 Transceiver
• Long Haul Line Interface
• Integrated Pulse Shaping and Line Build-Out
• Jitter Attenuation
• Clock Recovery
• Individual Channel Loopback Testing
• Comprehensive Diagnostic Features
• Low Power Consumption

Benefits:

• Space Savings: The octal design significantly reduces board space requirements compared to using discrete transceivers.
• Cost Reduction: Integration of eight transceivers lowers overall component count and cost.
• Improved Signal Integrity: The long-haul line interface ensures robust data transmission over extended distances.
• Simplified Design: Integrated pulse shaping, line build-out, and clock recovery simplify the design process.
• Enhanced Performance: Jitter attenuation and clock recovery contribute to higher signal quality and data reliability.
• Easy Diagnostics: Individual channel loopback testing allows for efficient system diagnostics and troubleshooting.
• Lower Power Consumption: Optimized power consumption is essential for high-density applications.

Additional Details:

The XRT91L80IBCWF supports T1 (1.544 Mbps), E1 (2.048 Mbps), and J1 data rates. It incorporates pulse shaping and line build-out functions to optimize signal transmission over various cable types and lengths. Jitter attenuation circuitry reduces jitter accumulation, and the clock recovery function ensures accurate data sampling. Individual channel loopback testing facilitates easy system diagnostics. It typically operates from a 3.3V power supply. Comprehensive diagnostic features enable monitoring of system performance. The package is designed to provide optimal thermal performance for high-density applications. It's a highly integrated solution for T1/E1/J1 connectivity.