Chapter 1: Overview
46
LEDs for the SFP
Ports
The LEDs for the twenty four SFP ports on the AT-x930-28GSTX Switch
are located between the ports. Refer to Figure 10. Each SFP port has one
LED. The left-hand LED is for the top port and the right-hand LED is for
the bottom port.
Figure 10. SFP Port LEDs
PoE Green The switch detects a powered device (PD)
on the port and is delivering power to it.
Solid Amber The switch has shut down PoE+ on the port
because of a fault condition.
Flashing
Amber
The switch detects a PD on the port but is
not delivering power to it because it has
reached its maximum power budget.
Off This LED state can result from the following
conditions:
The port is not connected to a PD.
The PD is powered off.
The port is disabled in the
management software.
PoE is disabled on the port.
The LEDs on the Ethernet line cards
are turned off. To turn on the LEDs,
use the eco-friendly button.
Table 8. LEDs on the 10/100/1000Base-T Ports on the AT-x930-28GPX
and AT-x930-52GPX Switches (Continued)
LED State Description
SFP Port LEDs
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