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Chapter 1: Overview
18
Figure 12. AT-x210-16GT SFP Status LEDs
The AT-x210-24GT SFP LEDs can be found on between the upper and
lower SFP slots. See Figure 13.
Figure 13. AT-x210-24GT SFP Status LEDs
Table 6 describes the Link/Activity LEDs for the SFP slots.
Table 6. SFP Link/Activity LED Functional Descriptions
LED State Description
SFP Off The port on the SFP transceiver has not
established a link with an end node or the
transceiver slot is empty, or the ecofriendly
feature is enabled with the MODE LED
button to turn off the front panel LEDs.
Use the MODE LED button to turn off the
front panel LEDs and conserve electricity
when you are not monitoring the switch.
Blinking
Green
The SFP transceiver is transmitting or
receiving network packets (Activity).
Steady
Green
The SFP transceiver has established a link
with a network device, but is not transmitting
or receiving network packets (Link).
15
16
15 16
AT-x210-16GT
Gigabit Ethernet Switch
L/A
LINK / ACT
SFP
CLASS 1
LASER PRODUCT
Speed and
Link/Activity
SFP LEDs
AT-x210-24GT
Gigabit Ethernet Switch
15 16 23 24
15
16
23
24
L/A
LINK / ACT
SFP
CLASS 1
LASER PRODUCT
Speed and
Link/Activity
SFP LEDs