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AT-8900, AT-9900, AT-9900s Series Switches
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Documentation CD
The documentation CD-ROM bundled with each switch contains complete
documentation for your switch as well as tools to manage it. The CD includes:
■ the Hardware Reference, which provides detailed information on the switch
and its hardware features.
■ the Software Reference, which provides detailed information on configuring
the switch and its software.
■ the Removable Power Supply and Fan Installation Guide, which describes how to
install power supply units and fan-only modules in the switch.
■ this Installation and Safety Guide.
■ AT-TFTP Server for Windows for downloading software releases.
■ Adobe Acrobat Reader for viewing online documentation.
Table 2: LEDs on the power supply unit and fan-only module
LED State Description
Fault Red The temperature on the PSU has exceeded the limit
of 75º C (167º F), or the fan failed.
PWR Green A PSU is installed in the switch and is receiving
power. A FOM does not have this LED.