System Status Leds; Usb Port - Lenovo RackSwitch G8272 Installation Manual

System Status LEDs

USB Port

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The following table describes the behavior of the system status LEDs:
Table 4.
System status LEDs behavior
LED State
All Off
Steady Blue
Flashing Blue
- Service
Steady Green
Flashing Green Power supply failure or disconnection. Service is
- Power
Off
Steady Green
- Fans Flashing Green Fan failure. Service is required.
Off
Steady Green
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- Stacking Flashing Green Device is the Backup/Member in a stack.
Off
Notes:
 Support for the stacking feature depends on the installed firmware. To
determine whether your switch supports stacking, see the Application Guide for
your specific switch and firmware version.
 If service required is due to a stacking error, this LED flashes or is steady green,
depending on its last known good state.
The USB port enables you to connect a USB drive to the switch. You can copy files
from the switch to the USB drive, or from the USB drive to the switch. You can also
start the switch using files on the USB drive.
The supported file system formats for USB drives are FAT32 and NTFS (read-only).
Note: When using a NTFS formatted USB drive, copying operations are limited to
read-only. Files can be copied from the USB drive to the switch, but copying files to
the NTFS formatted USB drive results in failure.
For more information about using the USB drive, see the Lenovo RackSwitch G8272
Application Guide.
Functional Meaning
Total power failure.
An operational command has been sent to light the
LED so that this device can be more readily located.
Service is required due to failure of the general system,
its cooling fans, stacking function
The specific failure is indicated in conjunction with the
other system status LEDs.
Power supply is on and operational.
required.
Power supply shutdown. Service is required.
Fans are on and operational.
Fan shutdown. Service is required.
Device is a Master in a stack.
Device is not a stacking member.
Chapter 2: Switch Components
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or its power supply.
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