D-Link DES-1008D User Guide - Page 26

10/100 Fast Ethernet Switch User's Guide LED Indicators The LED indicators of the Switch include Power, 100 M, Link/Act (Link/Activity) and FDX/Col (Full-duplex/Collision). The LED indicators are used to facilitate monitoring and troubleshooting of the Switch. The following shows the LED indicators for the Switch along with an explanation of each indicator. Figure 7 The DES-1004 Switch LED indicators Figure 8 The DES-1008 Switch LED indicators ♦ Power. This indicator operates when the Switch is turned on. If this indicator is not lit, check the AC power connector to ensure proper insertion of the power cord and that the power switch is turned ON. ♦ 100 M. The LED indicator lights green when a 100 Mbps device is connected to a respective port or the uplink port. If a 10 Mbps device 16 Identifying External Components