Black Box LGB5124A-R2, Quick Installation Manual

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CHAPTER 1: INTRODUCTION
1.4 LED DESCRIPTIONS
The LEDs on the front panel provide users with switch status checking and monitoring. There are two types of LEDs as follows:
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AC/DC Power LED: Indicates if the switch is powered up correctly or not.
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System LED: Indicates if the system is ready or not.
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Alarm LED: Indicates if the system is normal or not.
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Port Status LEDs: Indicates the current status of each port. Users can check these LEDs to understand the port status.
The following tables detail the functions and descriptions of various LED indicators.
TABLE 1-1. POWER LED
LED COLOR STATE DESCRIPTION
AC Power Green
ON The switch is powered ON correctly
OFF The switch is not receiving power from power1
DC Power Green
ON The switch is powered ON correctly
OFF The switch is not receiving power from power2
TABLE 1-2. SYSTEM LED
LED COLOR STATE DESCRIPTION
System Green
ON The switch is ready and running correctly
OFF The switch is not ready or failed
Blinking The switch is booting
TABLE 1-3. ALARM LED
LED COLOR STATE DESCRIPTION
Alarm Red
ON An abnormal state, such as temperature, voltage or fan speed, has been detected in the switch
OFF The system is normal