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Cisco SFS 7024 Hardware Users Guide
OL-8794-02
Chapter
Any spine module Attention LED is on, or it has been determined that a spine is not functioning
(even if it is unable to light the LED).
Any leaf module Attention LED is on, or it has been determined that a leaf is not functioning (even
if it is unable to light the LED).
The chassis status LED is Red when the system can no longer function p roperly and indicates one of the
following conditions:
The system ambient temperature exceeded 60 degrees C.
No functional fan trays are present.
No functional spines are present.
No functional leaves are present.
The chassis status LED is off when:
There are no functional power supplies present.
There are no management cards in the system
AC power has been removed from the system.
Subnet Manager Agent (SMA) LED
There is a single SMA LED associated with the system. This LED is Blue if any external InfiniBand
links have been established. If no external IB links have been established, the LED if off.
RJ45 LEDs
The SFS 7024 RJ45 connector has two LEDs, Act and 100. The 100 LED is Green when a 100Mbps
link is connected. The Act LED is Green when an Ethernet link has been established, and blinking when
the link is active.
Fan LEDs
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 rotation failure at less than 4000 RPM or greater than 10950 RPM.
Red indicates a possible problem, including:
The fan tray is not responding to commands for configuration a nd 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.
Power Supply LEDs
Each SFS 7024 power supply has two LEDs: DC OK and AC OK. Following are the statuses for each.
DC OK
Green indicates that DC power is normal.
Off indicates a DC power failure or no DC power is present.