Allied Telesis Switch Controller Podręcznik szybkiej instalacji - Strona 11
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Quick Install Guide
C613-04031-01 REV B
Switch Controller LEDs
The following LEDs will operate if the switch controller is receiving power.
Table 1: LEDs on the AT-SB4211 Switch Controller.
LED
State
Power
Green
Master
Amber
Off
Fault
Red
2 Flashes
3 Flashes
5 flashes
6 Flashes
Slow flashing at
startup
Rapid flashing at
startup
L/A
Green
(Link/Activity)
Amber
Flashing green
Flashing amber
D/C
Green
(Duplex/
Amber
Collision)
Flashing
The SwitchBlade Hardware Reference has further troubleshooting information,
including information on line card and power supply unit LEDs.
Function
The switch controller is receiving power
The switch controller is the master controller
The switch controller is the slave controller
The switch controller or management software is
malfunctioning
A fan-tray fan has failed
A PSU or PSU fan is malfunctioning
The fan tray has been removed for more than 20
seconds
The switch's internal temperature has exceeded
the alarm threshold
The SDRAM (DIMM) has not been detected
The SDRAM (DIMM) is not compatible with the
switch
A 100 Mbps management port link is open
A 10 Mbps management port link is open
100 Mbps activity is occurring through the
management port
10 Mbps activity is occurring through the
management port
The management port is operating at full-duplex
The management port is operating at half-duplex
Collisions are occurring on the management port
link
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