Chapter 8 Basic Setting
MGS3520 Series User’s Guide
80
8.3 Introduction to VLANs
A VLAN (Virtual Local Area Network) allows a physical network to be partitioned into multiple logical
networks. Devices on a logical network belong to one group. A device can belong to more than one
Time Server
Address
Enter the IP address or domain name of your timeserver. You can enter up to three time
server addresses. The Switch tries to synchronize with the first server. If the
synchronization fails, then the Switch goes through the rest of the list in order.
The Switch attempts to connect to the timeserver for up to 60 seconds. If you specify a
timeserver that is unreachable, then this screen will appear locked for 60 seconds. Please
wait.
Current Time
This field displays the time you open this menu (or refresh the menu).
New Time
(hh:min:ss)
Enter the new time in hour, minute and second format. The new time then appears in the
Current Time
field after you click
Apply
.
Current Date
This field displays the date you open this menu.
New Date (yyyy-
mm-dd)
Enter the new date in year, month and day format. The new date then appears in the
Current Date
field after you click
Apply
.
Time Zone
Select the time difference between UTC (Universal Time Coordinated, formerly known as
GMT, Greenwich Mean Time) and your time zone from the drop-down list box.
Daylight Saving
Time
Daylight saving is a period from late spring to early fall when many countries set their
clocks ahead of normal local time by one hour to give more daytime light in the evening.
Select this option if you use Daylight Saving Time.
Start Date
Configure the day and time when Daylight Saving Time starts if you selected
Daylight
Saving Time
. The time is displayed in the 24 hour format. Here are a couple of examples:
Daylight Saving Time starts in most parts of the United States on the second Sunday of
March. Each time zone in the United States starts using Daylight Saving Time at 2 A.M.
local time. So in the United States you would select
Second
,
Sunday
,
March
and
2:00
.
Daylight Saving Time starts in the European Union on the last Sunday of March. All of the
time zones in the European Union start using Daylight Saving Time at the same moment
(1 A.M. GMT or UTC). So in the European Union you would select
Last
,
Sunday
,
March
and the last field depends on your time zone. In Germany for instance, you would select
2:00
because Germany's time zone is one hour ahead of GMT or UTC (GMT+1).
End Date
Configure the day and time when Daylight Saving Time ends if you selected
Daylight
Saving Time
. The time field uses the 24 hour format. Here are a couple of examples:
Daylight Saving Time ends in the United States on the first Sunday of November. Each
time zone in the United States stops using Daylight Saving Time at 2 A.M. local time. So in
the United States you would select
First
,
Sunday
,
November
and
2:00
.
Daylight Saving Time ends in the European Union on the last Sunday of October. All of the
time zones in the European Union stop using Daylight Saving Time at the same moment (1
A.M. GMT or UTC). So in the European Union you would select
Last
,
Sunday
,
October
and the last field depends on your time zone. In Germany for instance, you would select
2:00
because Germany's time zone is one hour ahead of GMT or UTC (GMT+1).
Apply
Click
Apply
to save your changes to the Switch’s run-time memory. The Switch loses these
changes if it is turned off or loses power, so use the
Save
link on the top navigation panel
to save your changes to the non-volatile memory when you are done configuring.
Cancel
Click
Cancel
to begin configuring this screen afresh.
Table 11
Basic Setting > General Setup (continued)
LABEL
DESCRIPTION
