AT-8900, AT-9900, AT-9900s Series Switches
Table 2: LEDs on the power supply unit and fan-only module
LED
Fault
PWR
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.
14
State
Description
Red
The temperature on the PSU has exceeded the limit
of 75º C (167º F), or the fan failed.
Green
A PSU is installed in the switch and is receiving
power. A FOM does not have this LED.