D-Link DGS-1520 User Manual - Page 31

DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide PD Alive This window is used to display and configure the PoE PD alive settings. The PoE alive feature provides the solution when PD devices stop working or are not responding using the ping mechanism. To view the following window, click System > PoE > PD Alive, as shown below: Figure 3-16 PD Alive Window The fields that can be configured for PD Alive Configuration are described below: Parameter Unit From Port - To Port PD Alive State PD IP Address Poll Interval Retry Count Waiting Time Action Description Select the stacking unit ID of the Switch that will be configured here. Select the appropriate port range used for the configuration here. Select to enable or disable the state of the PoE alive function on the specified port(s) here. Enter the IPv4 address of the target PD here. Enter the poll interval value here. The range is from 10 to 300 seconds. This is the interval at which ping requests will be sent to the target PD to check the status. Enter the retry count value here. The range is from 0 to 5. This is the amount of times that the ping request will be resend if the target PD does not respond. Enter the waiting time value here. The range is from 30 to 300 seconds. This is the time the Switch will wait for the PD to recover from rebooting. Select the action that will be taken here. Options to choose from are: • Reset - Specifies to reset the PoE port state. • Notify - Specifies to send logs and traps to notify the administrator. • Both - Specifies to send logs and traps and then to reset the PoE port state. Click the Apply button to accept the changes made. 21