The Fast Ethernet Metropolitan Area Network (MAN) is designed, deployed and managed by BA's long term communications partner Affiniti.
BA's new network will carry the majority of BA's Terminal 5 business systems, including all mission-critical information.
Information ranges from passenger check-in, ticketing and departure control for the estimated 30 million passengers per year, plus crew scheduling and other back-office systems.
The network has 7,000 available ports supporting the 5,000 BA staff using the systems across the current two terminal buildings Terminal 5A and Terminal 5B. Terminal 5C will be constructed by 2010.
The 18 month project began in August 2006 and concludes this month with the installation of uninterruptible power supply units.