3Com 5500-EI Getting Started Guide - Page 19

BASE-X SFP Port LEDs, Color, Indicates, Switch 5500 Family - Front View

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Switch 5500 Family - Front View 19 LED Color Indicates Off No link is present. Duplex Green Full duplex, blinking off for every packet received or transmitted. Yellow Half duplex, blinking off for every packet received or transmitted. Yellow flashing The port has failed POST. Off No link is present. PoE Green Power is being delivered to the port. Green flashing Port power has exceeded limit or is unable to supply power due to unit being over budget. Yellow PoE error, no power supplied on port. Yellow flashing The port has failed post. Off No power is being delivered. 1000BASE-X SFP Port LEDs Speed Green A 1000 Mbps link is present. Yellow flashing The port has failed post. Off No link is present. Duplex Green Full duplex packets are being transmitted/received on the port. Yellow Half duplex packets are being transmitted/received on the port. Yellow flashing Port failed POST. Off No links is present. 100BASE-X SFP Port LEDs Speed Green A 100 Mbps link is present. Yellow flashing The port has failed post. Off No link is present. Duplex Green Full duplex packets are being transmitted/received on the port. Yellow Half duplex packets are being transmitted/received on the port. Yellow flashing Port failed POST. Off No links is present.

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Switch 5500 Family — Front View
19
Off
No link is present.
Duplex
Green
Full duplex, blinking off for every packet received or
transmitted.
Yellow
Half duplex, blinking off for every packet received or
transmitted.
Yellow flashing
The port has failed POST.
Off
No link is present.
PoE
Green
Power is being delivered to the port.
Green flashing
Port power has exceeded limit or is unable to supply
power due to unit being over budget.
Yellow
PoE error, no power supplied on port.
Yellow flashing
The port has failed post.
Off
No power is being delivered.
1000BASE-X SFP Port LEDs
Speed
Green
A 1000 Mbps link is present.
Yellow flashing
The port has failed post.
Off
No link is present.
Duplex
Green
Full duplex packets are being transmitted/received on
the port.
Yellow
Half duplex packets are being transmitted/received on
the port.
Yellow flashing
Port failed POST.
Off
No links is present.
100BASE-X SFP Port LEDs
Speed
Green
A 100 Mbps link is present.
Yellow flashing
The port has failed post.
Off
No link is present.
Duplex
Green
Full duplex packets are being transmitted/received on
the port.
Yellow
Half duplex packets are being transmitted/received on
the port.
Yellow flashing
Port failed POST.
Off
No links is present.
LED
Color
Indicates