Cortina Announces Quad KR/KR4 PHY with Integrated Crosspoint Switch

SUNNYVALE, Calif.--(EON: Enhanced Online News)--Cortina Systems, Inc., delivering innovative technologies that link people and networks worldwide, today announced CS4322/23, the industry’s first quad KR compliant PHY with integrated crosspoint switch. The Cortina Systems® CS4322/23 Quad KR/KR4 PHY is a 4 port 10G/40G backplane PHY which incorporates the latest standards and technologies, such as 10Gbase-KR, IEEE 802.3ba 40GBase-KR4, and IEEE 802.3az Energy Efficient Ethernet, in an industry leading 17 mm x 17 mm package. The CS4323 supports XFI, while the CS4322 supports RXAUI and XAUI host interfaces, making it interoperable with a wide variety of ASICs and FPGAs. With an integrated crosspoint switch, the CS4322/23 is optimized for 10/40/100G protection switching applications.

“As high density backplanes move from 10G to 40G to 100G, OEMs are looking for integrated solutions”

“As high density backplanes move from 10G to 40G to 100G, OEMs are looking for integrated solutions,” said Scott Feller, Director Marketing, Cortina Systems. “Traditionally, external crosspoint switches have been used to implement backplane protection switching applications; the CS4322/23 integrates the switch into the PHY thus reducing BOM cost and board space while maintaining interoperability and full compliance to KR and KR4 standards.”

With an integrated crosspoint switch, the CS4322/23 Quad KR/KR4 PHY is a low power, 10G/40G backplane PHY device with Energy Efficient Ethernet IEEE 802.3az Low Power Idle (LPI) capability. This device supports 10Gbase-KR and 40Gbase-KR4 operation with rate auto negotiation and coefficient training functionality. The integrated 10Gbase-KR FEC includes advanced debug and monitoring capabilities.

The CS4322/23 includes a fully standards-compliant 3 tap transmit de-emphasis and the receiver equalizer on the CS4322/23 exceed the receiver performance requirements of KR/KR4 standards with margin. The device is fully autonomous and does not require external processors to control the auto negotiation and training or equalizer adaptation.

“The CS4322/23 supports the new IEEE Energy Efficient Ethernet standard, a key element in next generation energy efficient servers and networking equipment,” commented Feller.

The device also includes a proprietary mode that enables the PHY to interface with legacy non-EEE compliant MACs and Switches, while supporting Energy Efficient Ethernet LPI signaling and operation with an EEE compliant link partner. This provides a quick upgrade path to Energy Efficient support without a complete redesign of the MAC/Switch ASIC.

The CS4322/23 supports serial XFI, RXAUI, and XAUI host interfaces, enabling interfacing with both legacy and new ASICs and FPGAs. The XFI host interface on the CS4322/23 is capable of supporting SR/LR SFP+ and SR4 QSFP+ modules, enabling a single chip KR/KR4 to SFP+/QSFP+ translation in 10G and 40G media converter applications.

About Cortina Systems

Cortina Systems, Inc. is a leading provider of high-performance communications semiconductor solutions enabling next generation network connectivity and efficient bandwidth from the core network to the home network. Our broad product portfolio includes carrier-class semiconductor devices for next generation optical transport and passive optical network systems, as well as data center connectivity and digital home solutions.

For more information, please visit www.cortina-systems.com