3Com 3CR17571-91 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
UPC - 662705496252
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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.