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PMC-Sierra Announces Industry's Highest Density Multi-Channel T1/E1 Solution for Voice Gateway and Internet Access Equipment.


Business Editors

NOTE TO MEDIA: Figures and Photo are available in a Smart News

Release(TM) on Business Wire's Home Page at

www.businesswire.com

VANCOUVER, British Columbia--(BUSINESS WIRE)--March 7, 2000

The New Four-Channel PM4354 COMET-QUAD Requires Half

the Board Space of Other Available Solutions

PMC-Sierra (Nasdaq:PMCS PMCS PMC Sierra (stock symbol)
PMCS Project Management Control System
PMCS partial mission-capable, supply (US DoD)
PMCS Preventive Maintenance Checks & Services
PMCS Professional Military Comptroller School
) today introduced the PM4354 COMET-QUAD, a four-channel T1, E1, and J1 framer with integrated analog Line A wire (cable) that carries an analog signal. See analog.  Interface Unit (LIU LIU Linköpings Universitet (Sweden)
LIU Long Island University (New York)
LIU Line Interface Unit
LIU Lightguide Interconnection Unit (AT&T)
LIU Laugh It Up
). The highly integrated COMET-QUAD(TM) joins the industry's first 3.3V single chip T1/E1/J1 framer and LIU, the PM4351 COMET. The COMET-QUAD is ideal for applications where board space is at a premium such as Internet and multi-service access equipment, Voice over DSL DSL
 in full Digital Subscriber Line

Broadband digital communications connection that operates over standard copper telephone wires. It requires a DSL modem, which splits transmissions into two frequency bands: the lower frequencies for voice (ordinary
 (VoDSL) and Voice over IP (VoIP) Gateways, Wireless Base Stations and Digital Loop Carrier In telephone communications, a technology that increases the number of channels in the local loop by converting analog signals to digital and multiplexing them back to the end office.  systems.

Increased Functionality and Reliability in Half the Board Space

To reduce the cost of ownership service providers are demanding equipment which packs more T1/E1 interfaces on each line card. With its compact 17mm by 17mm footprint, the COMET-QUAD provides the highest density T1/E1/J1 solution available, requiring only eight chips to provide 32 T1 lines on a single board (See figure 1). The COMET-QUAD uses half the board space of other available solutions and increases board reliability by reducing the number of chips required.

"We are currently using the single channel COMET device as a low power T1/E1 solution for our MGX MGX Montenegro Airlines, Yugoslavia (ICAO code)
MGX Media Gateways
8260 Media Gateway," said Ray Kao, Cisco Systems' director of engineering. "The new COMET-QUAD's ability to support four T1/E1 interfaces in the same space as the original COMET will help us meet our density goals for new port cards while preserving our software investment," Kao added.

Standards Compliance for Next-Generation Voice Access Equipment

The GR-303 T1 interface standard and the V5.1/V5.2 E1 standards are rapidly being deployed in access network equipment such as Voice over IP and Voice over DSL Gateways. These standards replace previously available proprietary interfaces and allow network operators to deploy network access products from multiple vendors while ensuring interoperability. The COMET-QUAD supports these standards by providing the ability to process a GR-303 or V5 signaling channel with an integrated 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.  processor, or to extract up to three signaling channels per interface and route them to an external bus (See figures 2 and 3).

A Family of Highly Integrated T1/E1/J1 Solutions

"PMC-Sierra is committed to providing the industry's most integrated, software compatible T1/E1 solutions," said Glenn Bindley, vice president of PMC-Sierra's access products division. "The COMET-QUAD joins our TEMUX T1/E1 framer/mapper and our single channel COMET device to provide the broadest range of T1/E1 products designed to address high density access applications." (See figures 4 and 5).

The COMET-QUAD architecture is based on PMC-Sierra's PM4351 COMET, the industry's first 3.3V integrated T1/E1/J1 framer/LIU device. As a result, designers are able to develop next-generation line cards while preserving software and hardware investment. It provides a software selectable solution for all three global primary rate framing formats and supports both shorthaul and longhaul analog line interfaces. The COMET-QUAD also autonomously generates periodic performance reports which reduces the software overhead associated with meeting T1 Standards in high density designs.

Pricing, Availability and Customer Support

COMET-QUAD will be sampling in the second quarter of 2000. The device is priced at $48 in high volumes. The COMET-QUAD is packaged in a dense 17mm by 17mm, 208 ball PBGA PBGA Plastic Ball Grid Array , and characterized for industrial temperature range operation (-40 to +85 degrees Celsius).

A comprehensive COMET-QUAD applications solution package is available on PMC-Sierra's web site (http://www.pmc-sierra.com) to minimize design time and development resources. The applications package includes a fully operational COMET-QUAD evaluation platform with a PC-based graphical user interface graphical user interface (GUI)

Computer display format that allows the user to select commands, call up files, start programs, and do other routine tasks by using a mouse to point to pictorial symbols (icons) or lists of menu choices on the screen as opposed to having to
; a T1, E1, and J1 hardware reference design for both shorthaul and longhaul applications; device driver software source code; a programmer's guide; datasheets and a technical overview.

About PMC-Sierra

PMC-Sierra's extensive family of broadband communication semiconductors is enabling the equipment that makes up the backbone of the Internet. The company develops ATM, SONET/SDH, T1/E1, T3/E3, and Internet Protocol (IP) solutions for wide area network and Internet infrastructure equipment. PMC-Sierra's quality system is registered with the Quality Management Institute to the ISO (1) See ISO speed.

(2) (International Organization for Standardization, Geneva, Switzerland, www.iso.ch) An organization that sets international standards, founded in 1946. The U.S. member body is ANSI.
 9001 standard. As co-founder of the SATURN Development Group The SATURN Development Group was an important industry forum that enabled the specification of chip-to-chip interfaces for the communications industry. It was co-founded in 1992 by PMC-Sierra and Sun Microsystems. , PMC-Sierra works with over 30 other member companies to define and develop interoperable, standard-compliant solutions for high speed networking applications.

PMC-Sierra offers worldwide technical and sales support including a network of offices throughout North America, Europe and Asia. The company's headquarters are located in Burnaby, British Columbia “Burnaby” redirects here. For persons sharing this surname, see Burnaby (surname).
Burnaby, British Columbia, Canada, is the city immediately east of Vancouver.
. PMC-Sierra is publicly traded on the Nasdaq Stock Market Nasdaq stock market

The first electronic stock market listing over 5000 companies. The Nasdaq stock market comprises two separate markets, namely the Nasdaq National Market, which trades large, active securities and the Nasdaq Smallcap Market that trades emerging growth companies.
 under the symbol "PMCS." The company is included in the Nasdaq-100 Index (NDX NDX Index
NDX Index (File Name Extension)
NDX Northern Document Exchange
NDX Index File
) which contains the largest non-financial companies on the Nasdaq Stock Market. The Nasdaq-100 Index is the benchmark for the Nasdaq-100 Index Tracking Stock (Amex:QQQ QQQ

The Nasdaq-100 Index Tracking Stock. This is a tracking stock which trades like an index mutual fund which follows the Nasdaq 100 index. It trades continuously.


QQQ 
). For more information about PMC-Sierra, visit http://www.pmc-sierra.com.

Attachments

Figure 1: Board Area Comparison: 27x27 PBGA, 23x23 TQFP, 4(9x9) CABGA,
          17x17 PBGA
Figure 2: VoDSL Gateway
Figure 3: V5.2 Application
Figure 4: Improving Density and Performance: 16 T1/E1 Circuit
          Emulation Application w/ AAL1gator-32
Figure 5: Improving Density and Performance: 32 Channel Frame Relay
          Application w/ FREEDM32P672

Technical Glossary

ATM -- Asynchronous Transfer Mode
DSL -- Digital Subscriber Line
HDLC -- High-level Data Link Control
IP -- Internet Protocol
LIU -- Line Interface Unit
SDH -- Synchronous Digital Hierarchy -- the European counterpart to
       SONET
SONET -- Synchronous Optical NETwork
TEMUX -- High Density T1/E1 Framer with Integrated VT/TU Mapper and
         M13 Multiplexer
VoDSL -- Voice over DSL
VoIP -- Voice over IP


Note to Editors: SATURN(R) and S/UNI(R) are registered trademarks of PMC-Sierra, Inc. PMC-Sierra(TM), and COMET-QUAD(TM) are trademarks of PMC-Sierra, Inc.

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Address of a resource on the Internet. The resource can be any type of file stored on a server, such as a Web page, a text file, a graphics file, or an application program.
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COPYRIGHT 2000 Business Wire
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2000, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Publication:Business Wire
Geographic Code:1CANA
Date:Mar 7, 2000
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