D-Link DSH-16 User Guide - Page 11

The Uplink port is a MDI-II port, which means you can connect this port to another device's MDI-X port using an ordinary straight-through twisted-pair cable. Port 1 and the Uplink port is really the same port, except that their pin-outs are different. Do not use both Port 1 and the Uplink port at the same time. DC Power Jack: Power is supplied through an external AC power adapter. Check the technical specification section for information about the AC power input voltage. Since DSS-16+ does not include a power switch, plugging its power adapter into a power outlet will immediately power it on. AC Power Connector: For the power cord. LED Indicators Power (Power Indicator) This indicator lights green when the hub is receiving power. This LED is off indicating no power. 10/100M FDX and 10/100M COL (10/100Mbps Full-Duplex and 10/100Mbps Collision Indicator) This LED indicator lights green when the respective port is in full-duplex (FDX) mode. It remains off for half-duplex operation. This LED blinks green when collision occurs on the respective port. Note: the full-duplex LED lights green when the connected device supports full-duplex operation. 10M Link/ACT and 100M Link/ACT (10Mbps Link/Activity (amber) and 100Mbps Link/Activity (green) Indicator) This indicator lights green when the port is connected to a 100Mbps device. 13