3Com 3CR17561-91-US Getting Started Guide - Page 19

RPS LED 3CR17571-91 and 3CR17572-91 only, 10BASE-T/100-TX Port LEDs, 1000BASE-X SFP Port LEDs, Color - connections

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Page 19 highlights

Switch 4500 - Front View Detail 19 LED Color Indicates RPS LED (3CR17571-91 and 3CR17572-91 only) Green AC and RPS supply connected. Yellow AC failed or not connected. RPS supply is OK. Off There is no RPS supply connected. 10BASE-T/100-TX Port LEDs Speed Green A high speed (100 Mbps) link is present, blinking off for every packet received or transmitted. Yellow A low speed (10 Mbps) link is present, blinking off for every packet received or transmitted. Yellow Flashing The port has failed POST. Off No link is present. Duplex (3CR17571-91 and 3CR17572-91 only) 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 (3CR17571-91 and 3CR171572 only) 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 high speed (1000 Mbps) link is present. Yellow Flashing Port failed POST. Off No link is present. Duplex (3CR17571-91 and 3CR17572-91 only) 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 link is present.

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Switch 4500 — Front View Detail
19
RPS LED (3CR17571-91 and 3CR17572-91 only)
Green
AC and RPS supply connected.
Yellow
AC failed or not connected. RPS supply is OK.
Off
There is no RPS supply connected.
10BASE-T/100-TX Port LEDs
Speed
Green
A high speed (100 Mbps) link is present, blinking off for
every packet received or transmitted.
Yellow
A low speed (10 Mbps) link is present, blinking off for every
packet received or transmitted.
Yellow Flashing
The port has failed POST.
Off
No link is present.
Duplex (3CR17571-91 and 3CR17572-91 only)
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 (3CR17571-91 and 3CR171572 only)
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 high speed (1000 Mbps) link is present.
Yellow Flashing
Port failed POST.
Off
No link is present.
Duplex (3CR17571-91 and 3CR17572-91 only)
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 link is present.
LED
Color
Indicates