Interphase Announces New Network Processor Card Purpose-Built for 3G Wireless

7/30/2002 - Interphase Corporation (NASDAQ: INPH), an international supplier of next-generation networking technologies, today announced the iNAV™ 4000 CompactPCI® Network Processor Card, the first product in a new line of network processor cards from Interphase.

The iNAV 4000 is one of the industry’s first network processor cards that is fully compliant with both PICMG® 2.16 Gigabit Ethernet CompactPCI Packet Switching Backplane (cPSB) and PICMG 2.15 PCI telecom mezzanine card (PTMC) standards. Multiple application environments can immediately benefit from the standards-based iNAV 4000 solution, including 3G wireless and next generation networks. The built-in features of the iNAV 4000, including automatic protection switching (APS), provide a cost-effective, high-performance solution for carrier environments requiring the highest levels of reliability, availability and serviceability for maximum service provider network resilience.

In ATM-based 3G wireless networks, the architecture of the iNAV 4000 achieves unparalleled levels of price/performance in ATM Adaptation Layer 2 (AAL2) packetized voice, ATM Adaptation Layer 5 (AAL5) and IP protocol processing, providing a seamless bridge between ATM and Ethernet networks.

Using Wintegra’s™ WinPath™ Access Packet Processor, the iNAV 4000 handles system-level functions on a single slot, delivering savings to customers via reduced time-to-market, reduced footprint and decreased development costs.

“We selected the Wintegra WinPath Access Packet Processor because of its ease of programmability and its optimized design for 3G wireless access networks,” said Felix Diaz, Vice President of Engineering and General Manager of Interphase Telecom Products Group.

“We are pleased to see the full capabilities of the WinPath Access Packet Processor implemented into the iNAV 4000 design,” said Robert O’Dell, Vice President of Marketing at Wintegra. “Our partnership with Interphase has afforded us greater visibility into the needs of the 3G wireless market.”

The iNAV 4000 provides a small-footprint, low power and cost-effective solution for high-end data path packet processing for access networking equipment. With the addition of Wintegra’s WinPath packet processor, an on-board 500MHz PowerPC processor, two fully compliant PICMG 2.15 PTMC sites, two 1000BaseT Ethernet uplinks, on-board Ethernet switching, additional front or rear access 10/100 or 1000BaseT Ethernet links and other powerful features, the iNAV 4000 incorporates the functionality aspects of existing multiple-board approaches - communications peripherals, general purpose single board computers and network processors - combining them into a single module.

“This is a revolutionary new product that has raised the bar for ease of programmability, performance, throughput and interworking capabilities on a single slot,” said Greg Kalush, CEO and President of Interphase Corporation.

With a broad array of supported interfaces including OC-3/STM-1, OC-12/STM-4, Fast Ethernet and Gigabit Ethernet, the iNAV 4000 brings greater affordability, flexibility and performance to many 3G wireless applications such as Radio Network Controllers (RNCs), Base Station Controllers (BSCs), Node Bs, Serving GPRS Support Nodes (SGSNs), Gateway GPRS Support Nodes (GGSNs), Base Transceiver Stations (BTSs) and Border Gateways (BGs), plus next generation network media gateways (MGs).

The iNAV 4000 will be available to customers in October 2002 with a starting list price of $4,795.

About Interphase Corporation
Interphase enables rapid platform design and integration for the global voice and data communications markets through custom and off-the-shelf communications equipment, embedded software development suites, and systems integration and consulting services for telecom and enterprise networks. The company's products connect computer and telecommunication servers to Wide Area Networks (WANs), Local Area Networks (LANs) and Storage Area Networks (SANs) using Asynchronous Transfer Mode (ATM), Ethernet, Signaling System #7 (SS7), IP, Fibre Channel, HDLC, Frame Relay and Integrated Services Digital Network (ISDN) technologies. Headquartered in Dallas with offices across the United States, Paris, London, Munich and Bangkok, Interphase 2001 revenues were $28.7 million. Clients include Lucent Technologies, Nortel Networks, Ericsson, Hewlett-Packard, Alcatel, IBM, Compaq, Motorola, Fujitsu, Lockheed Martin and Raytheon. Additional information about Interphase and its products is available through the company’s web site at

The Interphase logo is a registered trademark of Interphase Corporation.

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