One of four computer backup power supplies (UPS), these kicked in between the power failure and when the generator starts. The cabinet at the rear is basically a load of large batteries.
W407A has been used by IT hardware engineers since its construction.
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See full size image Caption: W407A - UPS Description: One of four computer backup power supplies (UPS), these kicked in between the power failure and when the generator starts. The cabinet at the rear is basically a load of large batteries. W407A has been used by IT hardware engineers since its construction. Alt text: W407A - UPS Image credit: Gary Tull Photo subject date: 07/09/2010 |