3com 4800G Installation Instruction
Switch 4800G PWR 48-Port
11
Switch 4800G PWR
48-Port
48-Port
Appearance
The Switch 4800G PWR 48-Port provides forty-eight auto-sensing
10/100/1000BASE-T Ethernet ports, four 1000Base-X SFP ports, and one console
port on the front panel, and one AC power socket, one RPS port, and two
extended module slots on the rear panel. Figure 5 shows the appearance of the
Switch 4800G PWR 48-Port.
10/100/1000BASE-T Ethernet ports, four 1000Base-X SFP ports, and one console
port on the front panel, and one AC power socket, one RPS port, and two
extended module slots on the rear panel. Figure 5 shows the appearance of the
Switch 4800G PWR 48-Port.
10/100/1000Base-T
port status LED
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.
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.
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.
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
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.
SFP port status LED
(1000 Mbps)
(1000 Mbps)
-
The Mode button has no
effect on the LED.
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.
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)
(100 Mbps)
-
Speed
Yellow
A 100 Mbps link is present. When
data is being received or sent, the
LED flashes at a high frequency.
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.
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 4 LEDs on the front panel of the Switch 4800G 24-Port
LED Mark
Status
Description