Larscom Announces General Availability of Release 2 Software for Its Industry-Leading Ethernet Over SONET Orion 7400 Product Fam

Larscom Announces General Availability of Release 2 Software for
Its Industry-Leading Ethernet Over SONET Orion 7400 Product Family
Orion 7400 Delivers Advanced Ethernet Performance Management, Supports Nested
VLAN Tags, and Provides Dynamic Bandwidth Management 


NEWARK, Calif., April 6  /PRNewswire-FirstCall/ -- Responding to emerging
business opportunities for service providers to deliver Virtual LANs (VLANs)
(the ability for enterprises to seamlessly connect multi-location LANs) on Metro
Ethernet networks, Larscom  today announced a significant software upgrade for
the Orion 7400 Ethernet over SONET (EoS) multi-service access platform.  With
this product release, Larscom delivers a complete solution for the customer
premise that allows an unparalleled level of Ethernet performance, and dynamic
bandwidth allocation for a new class of Ethernet services.

Service providers are currently challenged in supporting transparent VLAN
services to their multi-site enterprise customerbase due to existing
limitations in their Ethernet network infrastructure.  Larscom's Orion 7400
multi-service access platform is perfectly positioned to lead this new market
opportunity with three significant features:  1) Ethernet "Q-in-Q" VLAN Tagging
support, 2) Advanced Ethernet Performance Management for Service monitoring, and
3) Dynamic WAN bandwidth allocation using LCAS capability. Additionally, the
Orion 7400 Release 2 software breaks new ground by providing a full suite of
SONET performance parameters for its 10/100 and Gigabit Ethernet interfaces,
enabling providers to support a variety of Service Level Agreements (SLAs) by
utilizing advanced performance reporting capabilities. The Orion 7400 offers its
comprehensive management capabilities via industry standard TL1, SNMP, and HTTP
web GUI interfaces.

"This product release is a significant step forward in the delivery of scalable,
transparent VLAN services, in that it is the first EoS solution that can support
the extra large Ethernet frames generated by Ethernet switches. Our
service-provider customers have found that their legacy gear often does not
support frames this large, and are now turning to the Orion 7400," said Gurdip
Jande, Vice President of Marketing at Larscom Incorporated.  "Our solution
enables providers to roll-out nested VLAN services over legacy SONET equipment. 
This advantage has allowed the Orion 7400 to be deployed in VLAN applications as
well as the more traditional Ethernet WAN transport applications."

Larscom's Orion 7400 release-2 software is available today and units already
deployed are upgradeable.

About Larscom

Larscom enables high-speed access by providing cost-effective, highly reliable
(carrier-class), and easy-to-use network access equipment.  In June 2003,
Larscom merged with VINA Technologies to create a worldwide leader in enterprise
WAN access for the delivery of high-speed data, and integrated voice and data
services with the deployment of more than 350,000 systems worldwide.  Larscom's
customers include major carriers, Internet service providers, Fortune 500
companies, small and medium enterprises, and government agencies worldwide. 
Larscom's headquarters are in Newark, California. Additional information can be
found at http://www.larscom.com/.

Safe Harbor Statement

Any forward-looking statements in this news release are based on our current
expectations and beliefs and are subject to known and unknown risks and
uncertainties that could cause the actual results to differ materially from
those suggested.  Factors that could cause actual results to differ materially
include (but are not limited to) risks associated with the issuance of a "going
concern" auditor's explanatory paragraph and its possible negative effect on our
customer base, employees and our ability to acquire additional financing, lower
than expected cash flows from operations, customer concentration that include
MCI (formerly WorldCom) and Lucent Technologies, the ability to develop
successful new products, the ability to hire and maintain key executive
positions, dependence on recently introduced new products and products under
development, market acceptance of new products, the acquisition of other
businesses or technologies, dependence on component availability from key
suppliers, rapid technological change and fluctuations in quarterly operating
results, as well as additional risk factors as discussed in the "Risk Factors"
section of  our annual report on Form 10-K and quarterly reports on Form 10-Q
filed with the U.S. Securities and Exchange Commission.  These forward-looking
statements represent our judgment as of the date of this news release.  We
disclaim, however, any intent or obligation to update these forward-looking
statements.

NOTE:  Larscom is a trademark of Larscom Incorporated. All other trademarks
mentioned herein are the property of their respective owners. 

DATASOURCE: Larscom



CONTACT:  Gary Beckstrom, Sr. Product Manager, Larscom, [phone],

or 



Web site:  http://www.larscom.com/ 

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