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Ethernet switch combines low power dissipation, small size

Posted: 25 Feb 2005 ?? ?Print Version ?Bookmark and Share

Keywords:parvus? switch104? fast ethernet switching hub? switching hub? 100basetx?

lank">Parvus Corp. unveiled the Switch104, a rugged 5-port PC/104 Fast Ethernet switching hub featuring low power dissipation (1.5W typical) and highly reliable extended-temperature operation up to 85C.

Supporting auto-MDI-MDIX network installation, the new product is designed for simple plug-and-play operation, enabling up to five embedded computing devices to be networked together using 10BaseT or 100BaseTX LAN connections. Fully IEEE 802.3 and IEEE 802.3u compliant, its five transceiver ports are designed so that any port can serve as an uplink.

The Switch104 can either be used as a standalone network switch (no processor board required) or in combination with embedded systems that support a PC/104 (ISA) bus. The board integrates fully independent media access controllers (MACs), an embedded frame buffer memory and a high-speed address look-up engine, along with support for auto-crossover, auto-polarity, auto-negotiation, auto-speed sensing and bridge loop prevention.

Designed to suit space-constrained, high reliability aviation, industrial, military and transportation applications, the compact Ethernet switch measures 90-by-96mm and boasts a high MTBF of 1.51 million hours. Network connections are made through either onboard RJ-45 jacks or via right-angle 4-pin Molex connectors if panel mounting the RJ-45 jacks into a faceplate, endplate or enclosure. Power can be applied through either the PC/104 bus or through a 2-pin power connector if not installed in a PC/104 system. Mounting holes are also included to facilitate simple installation.

The Switch104 is priced at less than $130 each in volume orders of 100+ units.




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