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Lantronix
LED Descriptions
The LEDs on the front panel provide switch status checking and
monitoring. The types of LEDs are as follows:
System LED
Indicates if the switch is powered up correctly, indicates if there is a
system alarm triggered for troubleshooting.
Mode LEDs
Indicate the mode of all ports on the switch. You can press the MODE/RESET button sequentially to switch
between the two modes (Link/Activity/Speed mode and PoE mode).
Port Status LEDs
Indicate the current status of each port. You can check these LEDs to understand the port status in different
modes, after changing the mode by pressing MODE/RESET button.
The LED indicators are described in the following tables.
LED
System
LED
Link/Act/Speed
PoE
33814 Rev. C
Table 1: System LED
Color
State
On
Green
Off
Red
On
Table 2: Mode LEDs
Color
State
Green
On
Green
On
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The switch is powered ON correctly.
The switch is not receiving power.
An abnormal state, such as exceeding operating temperature
range, was detected in the switch.
The Port Status LEDs display link status, network activity, and
speed of each port.
The RJ45 Port Status LEDs are displaying PoE powering
status of each port.
SM8TAT2SA-DC Install Guide
Description
Description
Page 14 of 41
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Troubleshooting
