D-Link DES-3550 Product Manual - Page 18
LED Indicators, LED Indicators on DES-3526 Series switches - des d link
UPC - 790069266317
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xStack® DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual LED Indicators The Switch supports LED indicators for Power, Console, RPS (DES-3526/3550) and Port LEDs. The following shows the LED indicators for the DES-3500 Series switches along with an explanation of each indicator. LEDs and there corresponding meanings are displayed below. Figure 1- 4. LED Indicators on DES-3526 Series switches LED Power Console RPS (DES-3526DC not supported) Port LEDs 100M/10M Gigabit Ports Figure 1- 5. Indicators on DES-3550 Series switch Description This LED will light green after the Switch is powered on to indicate the ready state of the device. The indicator is dark when the Switch is powered off. This LED should blink during the Power-On Self Test (POST). When the POST is finished, the LED goes dark. This indicator is lit sold green when the Switch is being logged into via out-of-band/local console management through the RS-232 console port in the back of the Switch using a straight-through serial cable. This LED will be lit when the redundant power supply is present and in use. Otherwise it will remain dark. One row of LEDs for each port is located above the ports on the front panel. The first LED is for the top port and the second one is for the bottom ports. These port LEDs will light two different colors for 10M and 100M. • Amber - For speeds of 10 Mbps. A solid light denotes activity on the port while a blinking light indicates a valid link. • Green - For speeds of 100 Mbps. A solid light denotes activity on the port while a blinking light indicates a valid link. These LEDs will light steady green to indicate that the port is transferring data at 100Mbps. The Switch's two Mini GBIC ports have their own corresponding LEDs: Speed - This LED will light solid green when the port is transferring at a rate of 1000Mbps. When dark, the port is transferring at 10/100Mbps. Link/Act - This LED will light solid green when there is a valid link. A blinking LED indicates current activity on the port. A dark LED indicates no activity on the port. 3