Installation guide

CAUTION
Ensure that the airflow direction of the power supply unit matches that of the installed fan tray.
The power supplies and fan trays are clearly labeled with either a green arrow with an "E", or an
orange arrow with an "I."
The show chassis command displays a device’s airflow direction: Front-to-Back or Back-to-Front.
Replacing a power supply unit
CAUTION
Remove the power cord from a power supply before you install it in or remove it from the device.
Otherwise, the power supply or the device could be damaged as a result. (The device can be
running while a power supply is being installed or removed, but the power supply itself should
not be connected to a power source.)
CAUTION
Ensure that the airflow direction of the power supply unit matches that of the installed fan tray.
The power supplies and fan trays are clearly labeled with either a green arrow with an "E", or an
orange arrow with an "I."
NOTE
Maintain all power supply and fan assemblies in operational condition to provide redundancy.
CAUTION
If you do not install a module or a power supply in a slot, you must keep the slot filler panel in
place. If you run the chassis with an uncovered slot, the system will overheat.
CAUTION
Changes or modifications made to this device that are not expressly approved by the party
responsible for compliance could void the user's authority to operate the equipment.
The following table describes the Brocade ICX 6650 power supply status LED colors, behaviors, and
actions required, if any.
Power supply status LED behavior, description, and required actions TABLE 12
LED color and behavior Description Action required
Off (no light) Power supply is not receiving power. Verify that the power supply is on and seated
and the power cord is connected to a
functioning power source.
Steady green Power supply is operating normally. No action is required.
Steady amber Power supply cable is disconnected or
the power supply has failed.
Check the power cable connection.
Replace the power supply
Replacing a power supply unit
Brocade ICX 6650 Hardware Installation Guide 61
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