Allied Telesis AT-FS970M/16F8-LC, Installation Manual, Page: 47 / 106

FS970M Series Installation Guide
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SFP Slot LED
Each SFP slot has one LED. Refer to Figure 16.
Figure 16. SFP Slot LEDs
The SFP slot LED is described in Table 14.
System ID LED
The System ID LED, shown in Figure 17 on page 48, displays status
information about the switch. The LED displays the number 0 during
normal operations.
Table 14. SFP Slot LED
LED State Description
Link/Activity Off The SFP slot is empty or the SFP module
has not established a link to a network
device.
Solid green The SFP module has established a link to
a network device.
Flashing
green
The SFP module is receiving or
transmitting packets to a network device.
SFP Slot
LEDs