ADVA OPTICAL NETWORKING AND COLT DEPLOY MARKET'S FIRST 8G FIBRE CHANNEL SERVICE OVER DISTANCE

Leading service provider uses ADVA FSP 3000 to offer higher
Fibre Channel bitrates across longer distances than ever before

Norcross, Georgia, USA and Martinsried/Munich, Germany.
January 19, 2009. ADVA Optical Networking and COLT, a leading
provider of data, voice and managed enterprise services, today
announced the market's first deployment of an 8Gbit/s Fibre Channel
(FC) service over distance. Featured within a customer's Storage Area
Network (SAN), the new service, built specifically upon the
ADVA FSP 3000's 8Gbit/s FC card, provides a point-to-point link that
stretches beyond 135km. Connecting two data centers with an 8Gbit/s
FC link across this distance was dependent upon the ADVA FSP 3000's
Raman amplification capabilities to eliminate the need for mid-span
huts and the associated operations and maintenance costs.

"The increasing growth in data-intensive, high-speed networking
applications, particularly in storage environments, is driving the
demand for Fibre Channel solutions at higher bitrates and longer
distances," said Dr. Alireza Mahmoodshahi, COLT group chief
technology officer (CTO). "ADVA Optical Networking understands this
demand and has developed an industry leading 8Gbit/s FC solution
capable of responding to our customers' needs. Successfully tested
and deployed, ADVA Optical Networking has helped us to deliver a key
service and a market first. We look forward to rolling this out to
more customers soon."

ADVA Optical Networking and COLT Telecom are currently the only
companies capable of deploying 8Gbit/s FC over distance and have
worked extensively to ensure the solution is able to perform under
the most stressful network demands. Before installation, ADVA Optical
Networking developed and extensively tested its 8Gbit/s FC solution
in its Meiningen, Germany, laboratories, ensuring that it could
operate over large distances and that it is compatible with 10-, 4-,
2- and 1Gbit/s FC interfaces and a range of industry switches,
including Brocade's 8Gbit/s SAN switch. This comprehensive
compatibility ensures that enterprises can deploy all FC interfaces
in the same network without additional capital expenses.

"ADVA Optical Networking has a long history of developing technology
innovations of real market value. We were among the first companies
to introduce 4Gbit/s and 10Gbit/s FC, and this successful
implementation of 8Gbit/s FC further emphasizes our commitment to the
storage industry," stated Dr. Christoph Glingener, chief technology
officer (CTO) at ADVA Optical Networking. "COLT and ADVA Optical
Networking have worked extensively to ensure this 8Gbit/s FC service
is specifically tailored to meet enterprises' growing data demands
with the most cost-effective and flexible solution possible."

# # #

ABOUT ADVA OPTICAL NETWORKING
ADVA Optical Networking (FSE: ADV) is at the forefront of providing
Optical+Ethernet solutions that advance next-generation networks for
data, storage, voice and video services. Our company's strength comes
from passionate and dedicated employees, all sharing a common vision:
a fast, customized response to customers' ever-changing needs. Our
innovative FSP products and strong customer focus provide carriers
and enterprises the ability to scale their networks and deliver
intelligent, competitive new services. ADVA Optical Networking's
solutions have been deployed at more than 200 carriers and 10,000
enterprises around the world. For further information about ADVA
Optical Networking: www.advaoptical.com.

ABOUT COLT
COLT is a leading European provider of business communications. COLT
specialises in providing data, voice and managed services to major
businesses, SMEs and wholesale customers. COLT owns and operates a
13-country, 25,000km network that includes metropolitan area networks
in 34 major European cities with direct fibre connections into 14,000
buildings and 18 COLT data centres.

COLT Telecom Group S.A. is listed on the London Stock Exchange
(COLT). Information about COLT and its services can be found at
www.colt.net.

PUBLISHED BY:
ADVA AG Optical Networking, Martinsried/Munich and Meiningen, Germany
ADVA Optical Networking North America, Inc., Norcross, Georgia, USA
ADVA Optical Networking (Shenzhen) Ltd., Shenzhen, China
www.advaoptical.com

FOR PRESS:
Christine Keck
t +1 201 258 8293 (U.S.)
t +44 1904 699 358 (Europe)
t +86 755 8621 7400 (Asia)
public-relations@advaoptical.com

FOR INVESTORS:
Wolfgang Guessgen
t +1 201 258 8302 (U.S.)
t +49 89 89 0665 940 (Europe)
t +86 755 8621 7400 (Asia)
investor-relations@advaoptical.com

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