Allied Telesis AT-GS950/10PS - Manual (Page 28)

Chapter 1: Overview
28
SFP LEDs
The SFP LEDs indicate the Link/Activity and Speed status of each SFP
slot.
Note
All of the port LEDs are off when the switch is operating in the low
power mode. To toggle on the LEDs, use the eco-Friendly button.
See “eco-Friendly Button” on page 33 for more information.
The AT-GS950/10PS and AT-GS950/16PS switches have the SFP LEDs
on the front panel. See Figure 11 and Figure 12 on page 29.
Figure 11. AT-GS950/10PS SFP Speed and Link/Activity LEDs
Table 6. AT-GS950/16PS and AT-GS950/48PS L/A LED Functional
Descriptions
LED State Description
L/A (link/
activity)
Off The port on the has not established a link.
Steady
Green
The port has established a 1000Mbps link to
a network device, but it is not transmitting or
receiving network packets.
Blinking
Green
Indicates the port transmitting or receiving
network packets at 1000 Mbps.
Steady
Amber
The SFP transceiver has established a link at
either 10 or 100 Mbps with a network device,
but is not transmitting or receiving network
packets.
Blinking
Amber
Indicates the port is transmitting or receiving
network packets at 10 or 100 Mbps.
Speed and
Link/Activity
SFP LEDs