Vitesse 10 Gigabit Ethernet Optical PHY

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Home > Featured Products > Volume 4 - Vitesse 10 Gigabit Ethernet Optical PHY

Vitesse 10 Gigabit Ethernet Optical PHY

XAUI or XGMII to XFI SERDES for 10GBASE-SR/LR/ER/XR/LRM Applications

Vitesse offers a complete line of 10GbE SERDES for all types of applications. These IEEE 802.3ae compliant devices have been designed to meet the demanding needs of a variety of customer applications.

The VSC8475 XAUI to XFI SERDES is offered in a small form factor package for X2 module applications. Together with the VSC8238 Electronic Dispersion Compensation (EDC) receiver, the VSC8475 offers an ideal solution for 10GBASE-LRM. The VSC8475 features a slave mode Digital Optical Monitoring (DOM) SPI bus and indirect addressing system that allows for flexibility in the face of changing system software requirements.

For line cards, the VSC8476 XAUI or XGMII to XFI device offers an extremely cost effective way to service 10 Gigabit Ethernet LAN applications.

Both of these products feature processing blocks that are fully compliant to 10 Gigabit Ethernet and 10 Gigabit Fibre Channel applications. Additionally, these transceivers provide Vitesse specific technologies that improve system-level signal robustness. Overall time to market is drastically reduced when coupling these benefits with Vitesse’s extended suite of diagnostic tools and features.

Block Diagram

Features
VSC8475
•	Lowest power in the industry at less than 750 mW
•	Slave mode DOM bus / indirect addressing system
•	Enhanced XAUI interface to communicate over 40 inches of copper
•	1.2 Volt operation with 1.2/2.5/3.3V TTL option and no sequencing requirement
•	SONET Carrier Class Jitter Performance
•	Link/Activity LED controls

VSC8476
•	XAUI, XGMII and XFI interfaces
•	Low cost LAN PHY
•	All SERDES are rated to 1500V ESD

Benefits
•	Low power saves on cooling and power costs and allows for higher port densities
•	Slave mode DOM with indirect addressing system enables firmware upgrades in response to system software modifications
•	Single power supply operation with no sequencing requirement saves on power generation and control
•	Three port architecture (XAUI, XGMII, XFI) provides ability to bypass or do performance monitoring of a port without affecting traffic flow
•	Copies of CRU clock can be used for synchronous Ethernet applications

Applications
•	X2 / XENPAK / XPAK 10GBASE-SR / LR / ER / XR / LRM
•	Switch / Router Line cards
•	10 Gigabit Ethernet Client for Ethernet over SONET Line Cards
•	Security, Traffic-Shaping WAN optimization appliances
•	Blade Servers
•	10 Gigabit Fibre Channel Switches
•	10 Gigabit Ethernet Network Interface Cards (NIC)

Block Diagram

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