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System LED
The System LED shows whether the system is receiving power and is functioning properly.
USB-Mini Console LED
The USB-mini console LED shows which console port is in use. See Figure 9 on page 19 for the LED location. If you
connect a cable to a console port, the switch automatically uses that port for console communication. If you connect two
console cables, the USB-mini console port has priority.
Alarm LEDs
Table 6 on page -20 and Table 7 on page -20 list the alarm LED colors and their meanings.
Table 4 System LED
Color System Status
Off System is not powered on.
Blinking green Boot fast is in progress.
Green System is operating normally.
Red Switch is not functioning properly.
Table 5 USB-Mini Console LED
Color Description
Green USB-mini console port is active.
RJ-45 console port LED is not active.
Off Port is not active.
RJ-45 console port is active.
Table 6 Alarm OUT LED
Color System Status
Off Alarm OUT is not configured, or the switch is off.
Green Alarm OUT is configured, no alarm detected.
Blinking red Switch has detected a major alarm.
Red Switch has detected a minor alarm.
Table 7 Alarm IN1 and IN2 Status LEDs
Color System Status
Off Alarm IN1 or IN2 not configured.
Green Alarm IN1 or IN2 configured, no alarm detected.
Blinking red Major alarm detected.
Red Minor alarm detected.
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