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To: zbyslaw owczarczyk who wrote (2850)1/5/2001 6:14:24 PM
From: zbyslaw owczarczyk  Respond to of 3891
 
Turk Telekom awards Alcatel a US 30 million DWDM contract for its
nation-wide DWDM network in Turkey
Alcatel's solutions equipped with FEC (Forward Error Correction)technology to
enhance transmission quality and reduce network costs
Paris, 5 January, 2001- Alcatel (Paris: CGEP.PA and NYSE: ALA), world leader in intelligent
optical networking, has been awarded a US 30 million dollar contract by Turk Telekom for the
deployment of a high-speed DWDM (Dense Wavelength Division Multiplexing)transmission
network and network management solution in Turkey. The project will grant Turk Telekom a
major expansion of its telecommunications infrastructure to keep up with the country's growing
demand for fast multimedia services. After pioneering FEC for submarine networks in 1991,
Alcatel is bringing this unique technology to DWDM terrestrial systems.

The new high-speed national backbone- connecting major cities across Turkey - will provide
Turk Telekom with the first DWDM systems ever deployed in the country for commercial
applications. Alcatel's state-of-the-art DWDM systems, part of the Optinex family of
carrier-class transmission solutions, will be able to carry up to 32 channels at 10 Gbps and will
operate with a capacity equivalent to 38 millions telephone conversations simultaneously.

Alcatel's DWDM systems take advantage of the unequalled Out-Of-Band Forward Error
Correction (OOB-FEC)technology, which tremendously improves the quality of the signal
transmitted. Alcatel's FEC solution has already successfully carried live commercial traffic in a
field trial performed over the Ankara-Istanbul link, 490 km long. This functionality enables Turk
Telekom to drastically reduce its network costs, while, at the same time, enhancing the
consistency of end-to-end services supplied to their customers.

As part of the agreement, Alcatel will also supply its integrated network management platform,
for both DWDM and SDH solutions, to optimize the traffic control and routing at all network
levels, thus simplifying the overall network performance.

"The Turkish telecom market scenario shows concrete signs of expansion", stated
Jean-Marie Vansteenkiste, President of Alcatel's terrestrial network activities. "We are
pleased to help Turk Telekom build the network of the future and play a major role in the
rapidly growing Turkish Internet market thanks to our turnkey, leading-edge optical
networking solutions."

About Alcatel
Alcatel builds next generation networks, delivering integrated end-to-end voice and data
networking solutions to established and new carriers, as well as enterprises and consumers
worldwide. With 120,000 employees and sales of EURO 23 billion in 1999, Alcatel operates in
more than 130 countries.
Alcatel is the only vendor to master all optical network elements, from optical components,
optical fibers and DWDM systems to core routers and network intelligence, and from terrestrial
to submarine solutions. Alcatel is also the only company to provide both terrestrial and marine
services for the installation and maintenance of global, seamless optical networks.
According to RHK's 2000 study, Alcatel holds the number two position in global optical transport
market with 20% market share, distancing itself from all other competitors. RHK also reported
that Alcatel reaffirms its number one position in submarine networks with 41% worldwide
market share. Moreover, Alcatel claims to be the world leader in total terrestrial and submarine
DWDM systems, in digital cross-connects, which contain the enabling technology for operators
to offer high bandwidth services, and in SDH networks. Alcatel's optics business comprises
terrestrial and submarine transmission systems, fiber optics and optical components. Alcatel
has launched a new class of Alcatel stock which is intended to track the performance of
Alcatel Optronics, the Company's optical component business. For more information, please
visit Alcatel's Web site at www.alcatel.com

About OptinexTM 1686 WM
The OptinexTM 1686 WM system provided by Alcatel supports 32 wavelength channels and is
upgradable to 64 channels working at different channel bit-rates up to 10 Gbps. Different
wavelengths are used for different traffic signals along the same fiber route. High
performances for very long multi-span applications are obtained through wide-band in-line
amplifier and Forward Error Correction devices while optical add-drop capabilities, partially
re-configurable, are used in the intermediate nodes for traffic partial termination.

About Forward Error Correction (FEC)
FEC is a technique by means of which redundancy (i.e. extra information)is transmitted
together with transported data, using a pre-determined algorithm. Thanks to redundancy, the
receiving device can detect and correct multiple bit-errors that may occur during transmission.
The signal transmitted with FEC is more "robust", thus allowing operators to build up longer
distance connections without the deployment of many repeater stations.

Contact press@www.alcatel.com