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Interphase Releases SDKs for 4535 Multiprotocol Communications Controller.

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Helps Developers Build Robust Telecommunication Connectivity

Applications for VxWorks and Solaris Environments

Interphase Corporation (NASDAQ NASDAQ
 in full National Association of Securities Dealers Automated Quotations

U.S. market for over-the-counter securities. Established in 1971 by the National Association of Securities Dealers (NASD), NASDAQ is an automated quotation system that reports on
:INPH), an international supplier of next-generation networking technologies, today announced the immediate, worldwide availability of Software Development Kits (SDKs) that allow developers to integrate the Interphase 4535 PMC (1) See Portable Media Center.

(2) (PCI Mezzanine Card) A PCI-based mezzanine card that is widely adapted to VMEbus, CompactPCI and PCI cards.
 Multiprotocol T1/E1 Communication Controller into numerous telecommunication applications running in VxWorks and Solaris operating system environments.

The VxWorks and Solaris SDKs include operating system drivers, sample code, software tools and documentation that aid productivity and speed time-to-market for developers creating third generation wireless, broadband Internet access Broadband Internet access, often shortened to just "broadband", is high speed Internet access—typically contrasted with dial-up access over modem.

Dial-up modems are generally only capable of a maximum bitrate of 56 kbit/s (kilobits per second) and require the full use of a
 and AIN communication systems. These new development tools enhance Interphase's expansion into the telecommunications arena as a leading provider of communications controllers for next-generation service provider networks.

"As more devices become connected over telecommunication networks, especially via wireless and the Internet, service providers require superior technology that will help them get reliable, innovative services to market quickly," said Linsey Matthews, "Interphase Embedded Systems Product Marketing Manager. With the release of our new SDKs, embedded system developers can now use the 4535 to quickly deliver a new generation of applications to their customers that take full advantage of the leading operating systems in the communications industry."

VxWorks is one of the most widely adopted real-time operating system (operating system) Real-Time Operating System - (RTOS) Any operating system where interrupts are guaranteed to be handled within a certain specified maximum time, thereby making it suitable for control of hardware in embedded systems and other time-critical applications.  (RTOS (1) (RealTime Operating System) An operating system designed for use in a real time computer system. See real time system, embedded system, process control and OS-9. ) in the embedded industry. The VxWorks SDK for the 4535 includes:

-- Operating system drivers for VxWorks 5.4 and Tornado 2

development environments

-- Application Programming Interfaces (APIs) and protocol support

for ATM (AAL0 and AAL5), SS7 (MTP2), ISDN ISDN
 in full Integrated Services Digital Network

Digital telecommunications network that operates over standard copper telephone wires or other media.
, Frame Relay, X.25,

PPP (Point-to-Point Protocol) The most popular method for transporting IP packets over a serial link between the user and the ISP. Developed in 1994 by the IETF and superseding the SLIP protocol, PPP establishes the session between the user's computer and the ISP using , and HDLC (High-level Data Link Control) A data link protocol from ISO for point-to-point communications over serial links. Derived from IBM's SDLC protocol, HDLC has been the basis for numerous protocols including X.25, ISDN, T1, SS7, GSM, CDPD, PPP and others.  

-- Robust software tools that greatly facilitate third party

development including configuration utilities, debuggers,

protocol analyzers, dump utilities and trace utilities

Solaris, known for its robustness and scalability, is the leading non-RTOS operating system in use for communication applications according to recent research from Venture Development Corporation. The Solaris SDK for the 4535 includes:

-- Opeating system drivers for Solaris 2.6, 7 and 8

-- APIs and protocol support for ATM (AAL0 and AAL5), SS7 (MTP2),

ISDN, Frame Relay, X.25, PPP, and HDLC

-- SNMP (Simple Network Management Protocol) A widely used network monitoring and control protocol. Data are passed from SNMP agents, which are hardware and/or software processes reporting activity in each network device (hub, router, bridge, etc.  sub-agent

-- Robust software tools including configuration utilities,

debuggers, protocol analyzers, dump utilities and trace


About the 4535 Communications Controller

The 4535 PMC Multiprotocol Controller provides two software-selectable channelized Refers to an architecture that transmits data in channels. It often refers to the 64 Kbps channels in T1 lines, which were originally developed to handle digitized voice streams (TDM). See TDM.  T1/E1 communication links and is the perfect complement for high availability CompactPCI systems or VME-based designs targeted for telecommunications applications. Offering an integrated, high-performance architecture with support for multiple frame-based protocols, as well as ATM and SS7, the 4535 provides the robust and flexible communications necessary for telecommunications systems designers. More information on the 4535 and associated development tools can be found at

About Interphase Corporation

Interphase Corporation (NASDAQ:INPH), a leader in Fibre Channel and next-generation telecommunication technologies, designs and delivers high performance connectivity adapters for computer and telecommunication networks. The company's products connect computer and telecommunication servers to storage area networks (SAN), wide area networks (WAN) and local area networks (LAN (Local Area Network) A communications network that serves users within a confined geographical area. The "clients" are the user's workstations typically running Windows, although Mac and Linux clients are also used. ) utilizing Fibre Channel, Asynchronous Transfer Mode See ATM.

(communications) Asynchronous Transfer Mode - (ATM, or "fast packet") A method for the dynamic allocation of bandwidth using a fixed-size packet (called a cell).

See also ATM Forum, Wideband ATM.

ATM acronyms.

Indiana acronyms.
 (ATM), SS7, Frame Relay and ISDN technologies. Headquartered in Dallas, with offices in Austin, Paris, London, and Bangkok, Interphase 1999 revenues were $73.5 million. Clients include Hewlett Packard, IBM, Compaq/Tandem, Motorola, Sun Microsystems, Lockheed Martin, Nokia 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. VxWorks is a registered trademark of Wind River Systems, Inc. Solaris is a registered trademark of Sun Microsystems, Inc.
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Publication:Business Wire
Geographic Code:1USA
Date:Jun 6, 2000
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