Lantronix
SM24TBT2DPB Install Guide
33845 Rev. B
Page
14
of
48
Port Status LEDs
: indicate the current status of each RJ45 and SFP port. You can check these LEDs to
understand the port status in different modes, after changing the mode by pressing the
Mode/Reset
button.
Press the
Mode/Reset
button for less than 2 seconds to change LED modes (Link/Act/Speed Mode or PoE
Mode); you can then check the port status by reading the LED behaviors per the table below.
Table 3: 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 has not established a link to
connected device. Otherwise, the port may have been disabled through the switch
user interface.
SFP
Ports
Green
On
The port is enabled and has 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 has established a link to connected device, and the
connection speed is 100Mbps.
Amber Blinking The port is transmitting/receiving packets, and the connection speed is 100Mbps.
--
Off
The port has no active network cable connected, or it has not established a link to
connected device. Otherwise, the port may have been disabled via the switch UI.
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 to a PoE PD
device. Otherwise, the port may have been disabled via the switch UI.