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3-port switch supports 10/100 Ethernet optical standards

Posted: 28 Jul 2006     Print Version  Bookmark and Share

Keywords:Micrel  3-port switch  KSZ8893FQL 

Micrel Inc. recently launched the latest product in its 3-port switch family—the KSZ8893FQL—aimed at Fiber-based structural wiring, media converters and industrial control applications.

"The KSZ8893FQL offers customers an integrated LED driver and post amplifier solution, among other key technology features," noted Grahame Cooney, director, Micrel Ethernet group. "Not only is this approach more cost effective, but it gives customers an integrated solution that was not previously available on the market."

The KSZ8893FQL 3-port switch supports all of the 10/100 Ethernet optical standards including 100BaseFX, 100BaseSX and 10BaseFL. The device is suited for short wavelength optical applications because it provides an integrated optical interface that includes a LED driver and post amplifier. This allows customers to use short wavelength LED and PIN diodes, key for legacy 10Mbit optical networks where there are currently no viable solutions for integrating a short wavelength network into a core 100Mbit network. The device also promises improvements in the switching/MAC feature set over earlier generation 3-port switch products and includes support for four priority queues, queue-based rate limiting and IPV6 support for MLD snooping.

The four-level priority queues enables triple- (voice, video, data) or quadruple- (voice, video, data, gaming) play services by prioritising traffic by application. In conjunction with queue-based rate limiting, the solution offers traffic shaping on a per-application basis. This allows, for example, reservation of network bandwidth for critical voice traffic.

The device comes with LinkMD, a cable diagnostic package that enables diagnosis of common cabling problems. The solution also offers HP Auto-MDIX for automatic detection and correction for straight-through or crossover cables. It also includes an embedded operation, administration and management (OAM) messaging capability in the Ethernet flow.

The IC is currently sampling and is offered in fully RoHS compliant devices.




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