Lantronix
SMxxTAT4Xx Install Guide
33785 Rev. F
23
By pressing the Mode/Reset button for less than 2 seconds to change LED modes (Link/Act/Speed Mode or PoE
Mode) you can check the port status by reading the LED behaviors per the table below.
Table 4: Port Status LEDs
When Link/Act/Speed Mode LED Lit
LED
Color
State
Description
RJ45
Ports
Green
On
The port is enabled and established a link to connected device, and the connection
speed is 1000Mbps.
Green
Blinking The port is transmitting/receiving packets, and the connection speed is 1000Mbps.
Amber On
The port is enabled and established a link to connected device, and the connection
speed is 10/100Mbps.
Amber Blinking The port is transmitting/receiving packets, and the connection speed is
10/100Mbps.
--
Off
The port has no active network cable connected, or it is not established a link to
connected device. Otherwise, the port may have been disabled through the switch
user interface.
SFP+
Ports
Blue
On
The port is enabled and established a link to connected device, and the connection
speed is 10Gbps.
Blue
Blinking The port is transmitting/receiving packets, and the connection speed is 10Gbps.
Green
On
The port is enabled and established a link to connected device, and the connection
speed is 1Gbps.
Green
Blinking The port is transmitting/receiving packets, and the connection speed is 1Gbps.
--
Off
The port has no active network cable connected, or it is not established a link to
connected device. Otherwise, the port may have been disabled through the switch
user interface.
When PoE Mode LED Lit
LED
Color
State
Description
RJ45
Ports
Green
On
The port is enabled and supplying power to connected device.
Amber On
An abnormal state, such as overload status, has been detected in the switch.
--
Off
The port has no active network cable connected, or it is not connected a PoE PD
device. Otherwise, the port may have been disabled through the switch user
interface.
