AT-GS900MX Series Installation Guide for VCStack
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Figure 10. LEDs for the Combo Twisted Pair Ports
The LEDs are described in Table 8.
Table 8. LEDs on the Combo Twisted Pair Ports
LED State Description
Link/
Activity
LED
Solid Green A port has established a 1000 Mbps link to
a network device.
Flashing
Green
A port is transmitting or receiving data at
1000 Mbps.
Solid Amber A port has established a 10 or 100 Mbps
link to a network device.
Flashing
Amber
A port is transmitting or receiving data at 10
or 100 Mbps.
Off A port has not established a link with
another network device or the LEDs are
turned off. To turn on the LEDs, use the
eco-friendly button.
Duplex
Mode
LED
Solid Green A port is operating in full-duplex mode. (The
ports do not support half-duplex mode.)
Off A port has not established a link with
another network device or the LEDs are
turned off. To turn on the LEDs, use the
eco-friendly button.
Link/Activity LED
Link/Activity LED
Duplex Mode LED
Duplex Mode LED