User manual

User Manual
Publication date: Feb., 2013
Revision A3
12
2-2 Time
This page configures the switch Time. Time configure is including Time Configuration and
NTP Configuration
2-2.1 Manual
The switch provides manual and automatic ways to set the system time via NTP. Manual
setting is simple and you just input “Year”, “Month”, “Day”, “Hour”, “Minute” and “Second”
within the valid value range indicated in each item.
Web Interface
To configure Time in the web interface:
1. Click Time, Manual.
2. Specify the Time parameter in manual parameters.
3. Click Save.
Figure 2-2.1: The time configuration
Parameter description:
z Clock Source:
There are two modes for configuring where the Clock Source is from. You can choose one
of them to make time setting.
1. Use Local Settings: In this mode Clock Source is from Local Time. Set the time manually.
2. Use NTP Server: In this mode Clock Source is from NTP Server. The switch can link to
Network Time Protocol server to obtain the correct time automatically when NTP server
has been set.
z Local Time:
Shows the current time of the system.
z Time Zone Offset:
Provide the time zone offset relative to UTC/GMT. The offset is given in minutes east of
GMT. The valid range is from -720 to 720 minutes
z Daylight Saving:
Daylight saving is adopted in some countries. If set, it will adjust the time lag or in advance
in unit of hours, according to the starting date and the ending date. For example, if you set
the day light saving to be 1 hour. When the time passes over the starting time, the system
time will be increased one hour after one minute at the time since it passed over. And when
the time passes over the ending time, the system time will be decreased one hour after one