BT has taken delivery of a number of Emergency Recovery Units that will ensure if a BT exchange suffers a major emergency and becomes unusable that ADSL and other services can continue.
BT took delivery of the first units at the end of May 2003, after a rapid development cycle that only started in February. Fujitsu carried out the design, supply and installation of several self-contained mobile infrastructure units (MIUs). While these are portable, it is only by lorry as the units weigh 14 tonnes.
Each unit will provide the ability to support 2000 ADSL lines, 1000 TPON lines as well other crucial network elements. The deployment of this system means that in the worst case of a fire which destroys an exchange, business critical services can be running again in the minimum of time.
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