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Allied Telesis AT-8000S Switch
Web Browser Interface User’s Guide
3. Define the Server IP Address and the Poll Interval fields.
4. Click Apply. The SNTP global settings are defined, and the device is updated.
5. Click Save Config on the menu to save the changes permanently.
Configuring Daylight Saving Time
To configure DST:
1. Click System > System Time. The System Time Page opens:
The Additional Time Parameters section of the System Time Page contains the following fields:
• Daylight Saving — Enables automatic Daylight Saving Time (DST) on the device based on the device’s
location. There are two types of daylight settings, either by a specific date in a particular year or a recurring
setting irrespective of the year. For a specific setting in a particular year complete the Daylight Savings area,
and for a recurring setting, complete the Recurring area. The possible field values are:
– USA — The device devices to DST at 2:00 a.m. on the first Sunday of April, and reverts to standard time
at 2:00 a.m. on the last Sunday of October.
– European — The device devices to DST at 1:00 am on the last Sunday in March and reverts to standard
time at 1:00 am on the last Sunday in October. The European option applies to EU members, and other
European countries using the EU standard.
– Custom — The DST definitions are user-defined based on the device locality. If Custom is selected, the
From and To fields must be defined.
• Time Set Offset — Used for non-USA and European countries to set the amount of time for DST
(in minutes). The default time is 60 minutes. The range is 1-1440 minutes.
• From — Indicates the time that DST begins in countries other than the USA and Europe, in the format Day/
Month/Year in one field and HH:MM in another. For example, if DST begins on October 25, 2007 at 5:00 am,
the two fields should be set to 25/Oct./07 and 05:00. The possible field values are:
– Date — The date on which DST begins. The possible field range is 1-31.
– Month — The month of the year in which DST begins. The possible field range is Jan.-Dec.
– Year — The year in which the configured DST begins.
– Time — The time at which DST begins. The field format is HH:MM. For example: 05:30.
• To — Indicates the time that DST ends in countries other than the USA and Europe, in the format Day/Month/
Year in one field and HH:MM in another. For example, if DST ends on March 23, 2008 at midnight, the two
fields should be 23/Mar/08 and 00:00. The possible field values are:
– Date — The date on which DST ends. The possible field range is 1-31.
– Month — The month of the year in which DST ends. The possible field range is Jan-Dec.
– Year— The year in which the configured DST ends.
– Time — The time at which DST starts. The field format is HH:MM. For example: 05:30.
• Recurring — Enables user-defined DST for countries in which DST is constant from year to year, other than
the USA and Europe.
• From — The time that DST begins each year. In the example, DST begins locally every first Sunday in April
at midnight. The possible field values are:
– Day — The day of the week from which DST begins every year. The possible field range is Sunday-
Saturday.
– Week — The week within the month from which DST begins every year. The possible field range is 1-5.
– Month — The month of the year in which DST begins every year. The possible field range is Jan.-Dec.