Fan LEDs indicate the following status(es):
•
Green
•
Amber
— A single fan failure when the rotation speed is less than 4000 RPM or greater
than 10,950 RPM.
•
Green
— 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
Figure 63.
12800 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
•
Off indicates a AC power failure or no AC power is present.
DC OK:
•
Green
• Off indicates a DC power failure or no DC power is present.
Attention:
•
Amber
True Scale Fabric Switches 12000 Series Hardware
Installation Guide
68
indicates that the fan is functioning properly.
indicates that the following warning condition exists:
and
Amber
on indicates a possible problem, including:
indicates that AC power is normal.
indicates that DC power is normal.
indicates a fault condition, failed fan, over temperature condition.
12000 Series Switches
July 2015
Order Number: G91928004US