3Com 4800G Getting Started Guide - Page 11

Switch 4800G PWR 48-Port 11 Table 4 LEDs on the front panel of the Switch 4800G 24-Port LED 10/100/1000Base-T port status LED Mark Status - Speed Green Yellow Duplex Flashing yellow (3 Hz) OFF Green Yellow SFP port status LED (1000 Mbps) SFP port status LED (100 Mbps) The Mode button has no effect on the LED. Flashing yellow (3 Hz) OFF Green Speed Flashing yellow (3 Hz) OFF Yellow Duplex Flashing yellow (3 Hz) OFF Green Flashing yellow (3 Hz) OFF Description A 1000 Mbps link is present. When data is being received or sent, the LED flashes at a high frequency. A 10/100 Mbps link is present. When data is being received or sent, the LED flashes at a high frequency. The port fails the POST. No link is present. The port works in the full duplex mode. The LED flashes at a high frequency when data is being received or sent. The port works in the half duplex mode. The LED flashes at a high frequency when data is being received or sent The port fails the POST. No link is present. A 1000 Mbps link is present. When data is being received or sent, the LED flashes at a high frequency. The port fails the POST. No link is present. A 100 Mbps link is present. When data is being received or sent, the LED flashes at a high frequency. The port failed the POST. No link is present. The port operates in the full duplex mode. When data is being received or sent, the LED flashes at a high frequency. The port fails the POST. No link is present. Switch 4800G PWR 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.