16 CHAPTER 1: PRODUCT OVERVIEW
10/100/1000Base-T
Ethernet port status
LED
- Speed Green A 1000 Mbps link is present. When data is
being received or sent, the LED flashes at a
high frequency.
Yellow A 10/100 Mbps link is present. When data
is being received or sent, the LED flashes at
a high frequency.
Flashing yellow (3 Hz) The port fails the POST.
OFF No link is present.
Duplex Green The port works in the full duplex mode.
The LED flashes at a high frequency when
data is being received or sent.
Yellow The port works in the half duplex mode.
The LED flashes at a high frequency when
data is being received or sent
Flashing yellow (3 Hz) The port fails the POST.
OFF No link is present.
PoE Solid green The port supplies power normally.
Flashing green (1 Hz) The required power of the attached device
exceeds the maximum power that the port
can supply.
The total power reaches the maximum
power, so the port stops supplying power.
Solid yellow The device attached to the port is not a
powered device (PD), so the port cannot
supply power.
A PoE failure occurs, so the port cannot
supply power.
Flashing yellow (3 Hz) The port fails the POST.
OFF The port does not supply power.
SFP port status LED
(1000 Mbps)
- The Mode button has no
effect on the LED.
Green A 1000 Mbps link is present. When data is
being received or sent, the LED flashes at a
high frequency.
Flashing yellow (3 Hz) The port fails the POST.
OFF No link is present.
SFP port status LED
(100 Mbps)
- Speed Yellow A 100 Mbps link is present. When data is
being received or sent, the LED flashes at a
high frequency.
Flashing yellow (3 Hz) The port failed the POST.
OFF No link is present.
Duplex Green The port operates in the full duplex mode.
When data is being received or sent, the
LED flashes at a high frequency.
Flashing yellow (3 Hz) The port fails the POST.
OFF No link is present.
Table 5 Descriptions of the LEDs on the front panel of Switch 4800G PWR 24-Port
LED Mark Status Description
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