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Backplane PHY targets 10Gbit/s, 40Gbit/s signals

Posted: 19 Oct 2010     Print Version  Bookmark and Share

Keywords:10GBASE-KR  40GBASE-KR4  backplane PHY 

NetLogic Microsystems Inc. reveals the NLP3342, a dual-mode quad-port 10GBase-KR and 40GBase-KR4 backplane PHY with Energy Efficient Ethernet (EEE) targeted at the transmission of 10Gbit/s and 40Gbit/s signals over standard backplanes.

The NLP3342 is designed using the advanced 40nm CMOS process and is compliant with the IEEE 802.3az Energy Efficient Ethernet standard.

Other key features are integrated electronic dispersion compensation technology from NetLogic, 3-tap transmit pre-emphasis, automatic receive link margin calibration and forward error correction technologies.

NetLogic said next-generation data centres and telecommunications equipment that can scale power consumption proportionally to the throughput performance of the network can leverage the NLP3342 PHY device's features to reduce power costs while delivering superior jitter and reach performance.

While supporting either the 40GBASE-KR4 or quad channels of 10GBASE-KR modes, it also provides customers with the scalability they need to develop a wide range of equipment such as blade servers, ATCA switches and routers, with backplanes that can support multiple form factors and transmission speeds, NetLogic added.

The NLP3342 supports 10Gbit/s transmission for XFI-to-KR and 40Gbit/s transmission for XLAUI/XLPPI-to-KR4 modes over standard backplanes. Power consumption is 550mW per channel while low-power modes are available with the EEE feature. The NLP3342 PHY also supports Clause 73 auto-negotiation and link training and KX/KX4 bypass modes.

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