Allied Telesis AT-GS924M - Manual (Page 27)

AT-GS908M, AT-GS916M, and AT-GS924M Switches Installation Guide
27
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Table 7. SFP Slot LED Functional Descriptions
LED State Description
Link/Activity
Off The port has not established a link with a
network device.
On The port has established a link with a
network device.
Flashing
Green
The port is transmitting or receiving
network packets.