ZL50070GAG2

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ZL50070GAG2 Application Field and Working Principle

The ZL50070GAG2 is a Multi-Rate Ethernet Interface device used in applications such as high-speed wireless access and video transport. The chip is specifically designed to support transmission rates ranging from T1/E1 up to 10G. The ZL50070GAG2 products is a comprehensive device that includes the following functions:

• Multi-rate Ethernet Interface with both optical and electrical connection
• High-performance SERDES physical layer transceivers and clock generator
• Four parallel Multi-gigabit media-independent interfaces (PMDIs) for up to 10GE speeds
• Programmable scaling layer for the optimization of throughput
• Programmable packet generator/packet detector for test and debug purpose

The chip’s multi-rate Ethernet interface is designed to support a wide range of data rates from 2.488 Gbps/E2.5G/CPRI to 10G(XAUI)/OTU3/OTN/4XFEC. An intelligent packet aggregation and congestion control features maximize line utilization and packet forwarding performance. The ZL50070GAG2 provides additional power-saving measures, such as dynamic power, over current protection and burst-mode to reduce system power consumption, while ensuring data integrity and efficiency.

The ZL50070GAG2 products offer scalability which allows integrated systems to be easily adapted to accommodate future changes such as increased line speeds, data rates, protocol complexity, and traffic density. The chip supports a wide range of Ethernet and timing protocols and also supports fault isolation and relay features for enhanced reliability.

The ZL50070GAG2’s SERDES physical layer includes an integrated MIPI clock generator which enables efficient clock recovery and data transmission. The SERDES offers low-latency and jitter-free communication. The SERDES supports a wide variety of I/O standards such as 1G, 2G.5G, 4G, 5G, 10G, and Ethernet standards. Additionally, the ZL50070GAG2 supports frame-based packet switching and packet inter-working.

The ZL50070GAG2 integrates four parallel Multi-gigabit media-independent interfaces (PMDIs) to support up to 10 Gigabits per second (Gbps) speeds. A PMDI encapsulation sub-layer aggregates multiple lower-speed physical layer frames into a single high-speed frame stream. The PMDI sub-layer supports various media type such as SFP+, XFP, QSFP, CFP, and XAUI.

The ZL50070GAG2’s programmable backhaul scaling layer enables optimization of the traffic throughput across different physical layers. The backhaul scaling layer allows the chip to negotiate optimal line rates and line coding, while accommodating the different line speeds, protocol complexity, and traffic density found on today’s networks.

The ZL50070GAG2 includes a packet generator/detector module that enables the developers to quickly test, debug and monitor their designs. The packet generator/detector supports a variety of Ethernet, Ethernet/IP and other networking protocols including ARP, UDP/IP, IPv4, and Ipv6.

In summary, the ZL50070GAG2 is an ideal choice for OEMs and IT system builders needing a powerful, yet highly reliable, Ethernet interface device. The chip’s integrated feature set, along with its scalable architecture, makes it a versatile solution for applications ranging from high-speed wireless access to video transport.

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