Allied Telesis AT-8900 SERIES Manual de instalación rápida - Página 11
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Quick Install Guide
C613-04048-01 REV B
Alternatively, type a question mark (?) at the end of a partially completed
command to see a list of valid options.
See the AT-8900 Series Software Reference for more information on
configuring the switch.
System LEDs
The following tables define the LED indicator functions on the switch, power
supply units (PSUs), and fan only module (FOM).
AT-8948 LEDs
Table 1: System LEDs found on all AT-8900 Series switches
LED
State
PSU 1
Green
Red
Not lit
PSU 2
Green
Red
Not lit
Fault
Red
1 Flash
6 Flashes
CF
Green
Function
PSU 1 is installed and supplying power to the
switch, and the voltage output is within
specification.
PSU 1 is installed in the switch, a fan has failed, or
the PSU has exceeded its recommend temperature
threshold of 75º C (167º F).
A FOM is installed in the switch and a fan has failed.
The bay is empty (no PSU or FOM installed).
A FOM is installed and the fan is good.
PSU 2 is installed and supplying power to the
switch, and the voltage output is within
specification.
PSU 2 is installed in the switch, a fan has failed, or
the PSU has exceeded its recommend temperature
threshold of 75º C (167º F).
A FOM is installed in the switch and a fan has failed.
The bay is empty (no PSU or FOM installed).
A FOM is installed and the fan is good.
The switch or management software is
malfunctioning.
A switch fan has failed or is operating below the
recommended speed.
The switch's temperature has exceeded the
recommended threshold.
The compact flash memory is active. Do not eject
the flash memory module.
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