D-Link DES-3250TG ユーザーズマニュアル

To complete SNTP configuration, fill in the desired values in the Current Time: Set Current Time section and then click 
Apply. 

To make time zone and Daylight Savings Time changes to the SNTP configuration, click SNTP Settings in the Configuration 
folder and then click Time Zone and DST: 

 

This window allows you to set the Daily Saving Time repeated and annual settings. Click Apply to let your changes take 
effect. 

Port Security is a security feature that prevents unauthorized computers (with unknown source MAC addresses) from 
connecting to the Switch’s locked ports and gaining access to the network.