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V110, V210P, V211, V220 User Guide YML881Rev1
54 www.netcomm.com.au
SNTP Settings
Simple Network Time Protocol (SNTP) can be used to sync the time on the NetComm ATA. If SNTP is
enabled, your ATA clock is synchronized with an Internet time server once a day. However, if you don’t have a
continuous Internet connection through a cable modem or DSL modem, the automatic synchronization might
not always occur.
Options Description
Primary Server
Enter the primary NTP server name or IP address.
Secondary Server
Enter the secondary NTP server name or IP address. The secondary server will be used
if the primary server becomes unreachable.
Time Zone
Enter the offset from GMT for your time zone.
Sync
Reports the synchronized time.
If time synchronization fails, it might be for one of the following reasons:
• You are not connected to the Internet. Establish an Internet connection before you attempt to synchronize
your clock.
• Your personal or network firewall prevents clock synchronization. Most corporate and organizational
firewalls will block time synchronization
• The time shown on your ATA is too different from the current time on the Internet time server. Internet
time servers might not synchronize your clock if your ATA’s time is off by more than 15 hours.