12000 Series Switches
True Scale Fabric Switches 12000 Series Hardware
Installation Guide July 2015
68 Order Number: G91928004US
Fan LEDs indicate the following status(es):
• Green indicates that the fan is functioning properly.
• Amber indicates that the following warning condition exists:
— A single fan failure when the rotation speed is less than 4000 RPM or greater
than 10,950 RPM.
• Green and Amber on indicates a possible problem, including:
— The fan tray is not responding to commands for configuration and temperature-
related operations.
— A fan is not responding to commands for temperature and speed related
operations.
— The fan speed has fallen below the minimum allowed RPM for a fan.
2.10.6.2 Power Supply LEDs
Each power supply has three LEDs: DC OK, AC OK and Alarm. Following are the status
definitions for each.
AC OK:
• Green indicates that AC power is normal.
• Off indicates a AC power failure or no AC power is present.
DC OK:
• Green indicates that DC power is normal.
• Off indicates a DC power failure or no DC power is present.
Attention:
• Amber indicates a fault condition, failed fan, over temperature condition.
Figure 63. 12800 Power Supply LEDs
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