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Power light 2
The green Power light is lit when the voltage is correct.
Card Fault light 3
The amber Card Fault light is lit when an error condition has been
detected.
Switch Card
A switch card 1 is installed in the back of a unit of the ProFibre Storage Array.
Figure 10. Switch Cards
Note: The diagram shows a controller unit. A switch card is installed in the same
place in an expansion unit.
The switch card in the controller unit has a BBU that provides up to 72 hours of
data cache retention in the event of a sudden loss of power in the unit.
CAUTION:
Do not try to replace and/or exchange the Ni-MH rechargeable battery pack
integral to the Battery Backup Unit (BBU) assembly.
The Ni-MH battery pack contains small amounts of harmful substances.
v Keep the BBU away from fire
v Do not expose the BBU to water or rain
v Do not attempt to disassemble the BBU
v Do not short circuit the BBU
v Keep away from children
v Do not put the BBU into rubbish that is put into landfill sites. When
discarding the BBU, observe local ordinances, regulations and your company's
safety standards for disposal
9
Chapter 1. Introduction
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