D-Link DSB-H4 Installation Guide - Page 3

LED Indicators The DUB-H4 features five LED indicators... § The Power LED indicator is red and lights up when the DUB-H4 is powered on by using the external power adapter. The DUB-H4 does not run on power supplied from the computer (bus powered). § The downstream LED indicators are green. Each port has one status LED. The LED lights to indicate that the port is working. § If a port becomes overloaded, a "current exceeded" event will take place. The LED of the port will go off and the message "USB HUB Current Limit Exceeded" appears on the monitor. Reset the DUB-H4 by disconnecting it for 5 seconds and then powering it back on by connecting the AC power adapter. LED Color Power Red Power Off Downstream Green Downstream Off Indicator Power is on Power is off Port is working Port is not working 3