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Lantronix
SMxTAT2SA Install Guide
33716 Rev. L
13
LED Descriptions
The LEDs on the front panel provide switch status checking and
monitoring. There are three types of LEDs 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 the
Mode/Reset
button.
The LED indicators are described in the following tables.
Table 1: System LED
LED
Color
State
Description
System
Green
On
The switch is powered ON correctly.
Off
The switch is not receiving power.
Red
On
An abnormal state, such as exceeding operating
temperature range, has been detected in the switch.
Table 2: Mode LEDs
LED
Color
State
Description
Link/Act/Speed
Green
On
The Port Status LEDs display link status, network activity,
and speed of each port.
PoE
Green
On
The RJ45 Port Status LEDs are displaying PoE powering
status of each port.