Allied Telesis AT-GS950/48 - Manual (Page 21)

AT-GS950/8, AT-GS950/16, AT-GS950/24 and AT-GS950/48 Switches Installation Guide
21
Table 4 describes the LEDs for the SFP slots.
Note
All of the port LEDs will be off when the switch is operating in the low
power mode. To toggle on the LEDs, use the eco-friendly button.
eco-friendly Button
The eco-friendly button serves multiple functions. You can toggle the port
LEDs on and off, reboot your switch or reset your switch configuration to
factory default values.
The button operates as follows:
❒ eco-Friendly mode - When you press the eco-friendly
button for 1 to 4 seconds, the front panel port LEDs are
either enabled or disabled. You may use the button to
turn off (disable) the LEDs when you are not
monitoring the switch. Toggling the LEDs does not
interfere with the network operations of the switch. The
eco-friendly button does not control the Power LED.
Table 4. SFP Slot LEDs
LED State Description
L/A (link/
activity)
Off The port on the SFP transceiver has not
established a link with an end node or the
transceiver slot is empty.
Blinking
Green
The SFP transceiver is transmitting or
receiving network packets at 1000 Mbps.
Steady
Green
The SFP transceiver has established a link
with a network device at 1000 Mbps, but is
not transmitting or receiving network
packets.
Blinking
Amber
The SFP transceiver is transmitting or
receiving network packets at 100 Mbps.
Steady
Green
The SFP transceiver has established a link
with a network device at 100 Mbps, but is not
transmitting or receiving network packets.