Network Technologies ASI-IP-GTW User Manual

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ASI-IP-GTW User's Manual 
 
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33 
3.5.2 Time settings 
Figure 11 shows the sub-page for time setting used for alarm reports. 
 
 
Figure 11. Time setting sub-page 
Current time: This shows the current time used by the unit. The time 
is displayed in local time with an indication of the local time zone 
relative to UTC. 
Time zone: Here it is possible to configure the local time zone to 
operate in. The time zone is specified in hours offset to UTC. All time 
stamps in the GUI are displayed in local time. If you switch time zone 
during operation, the alarm log entries will also be updated to reflect 
the new time zone. The alarm log export option prints the time zone at 
the time of the export at the top of the log. 
Clock source: Select the synchronizing source for the device real time 
clock. The options are SNTP and Internal. In SNTP mode the clock is 
retrieved from a specified server, in Internal mode the clock is 
maintained locally by the device. Remark that the clock value is not 
kept after a reboot when running in Internal mode. To synchronize the 
alarm logs on several devices it is recommended to use a SNTP server. 
SNTP server address: The IP address of the SNTP server entered as 
four decimal triplets separated by decimal points (full stop/period) e.g. 
10.40.81.10. An example on a SNTP server is the Windows Time Service 
built into the MS Windows operating system. The SNTP protocol runs 
on UDP port 123, which must be let through in eventual firewalls.