DN9231 User's Manual01A.03 Dante Security Inc. 40Use the static IP addressIf you want to use your device with the static IP, enable the ‘Use the following IP addresses’and click the Apply button.IP address: The IP address of your deviceSubnet mask: The address of subnet mask of your device.Gateway address: The gateway address of your device.Broadcast address: It is automatically fixed by the subnet mask and IP address of your own.For example, if you use B class (255.255.0.0) of mask, the broadcast address will be192.168.255.255.The test button shows if the typed IP address is occupied or not. You may find the popupwindows as below according to the availability of typed IP address.DNS ConfigurationType the IP address of DNS server you use. The test button for checking the IP addressavailability is also supported for DNS configuration. Refer to the explanation for the test buttonabove for details.6.6.2. NTP server setupTo change the NTP service setting, go to Setup > System Options > NTP.NTP Server ListsYou can set up to 4 NTP servers as you can see at the example of above. To enable the NTPservers, DNS server setting should be done in advance in the menu of TCP/IP page and pleasecheck out if the DNS configuration is accurate.I am SNTP ServerAvailable IPOccupied IP