Dante DNA2000 Series, Инструкция по установке и эксплуатации, Страница: 71 / 200

Enable: Highlight the box here, user can check the trusted site function and blocked sites
function. User may not see these two modes if the Enable button is grey.
Type: User can select trusted site and blacklist from the dropdown list. User can view the IP
address on the following column.
Start address/end address: Select one type from the dropdown list, user can input IP address
in the start address and end address. Now user can click Add IP address or Add IP section to
add.
a) For the newly added IP address, it is in enable status by default. Remove the
√
before
the item, then current item is not in the list.
b) System max supports 64 items.
c) Address column supports IPv4 or IPv6 format. If it is IPv6 address, system can optimize
it. For example, system can optimize aa:0000: 00: 00aa: 00aa: 00aa: 00aa: 00aa as aa::
aa: aa: aa: aa: aa: aa.
d) System automatically removes space if there is any space before or after the newly
added IP address.
e) System only checks start address if user add IP address. System check start address
and end address if user add IP section and the end address shall be larger than the start
address.
f) System may check newly added IP address exists or not. System does not add if input IP
address does not exist.
Delete: Click it to remove specified item.
Edit: Click it to edit start address and end address. System can check the IP address validity
after the edit operation and implement IPv6 optimization.
Figure 5-65
5.10.2.2 NTP Setup
This function is to enable NTP server to synchronize time with the NVR to guarantee the system
time accuracy.
User need to install SNTP server (Such as Absolute Time Server) in user PC first. In Windows XP
OS, user can use command “net start w32time” to boot up NTP service.
NTP setup interface is shown as in Figure 5-66.