
Industrial Managed
Ethernet Switch
User Manual
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2.3.8
System Time
Atop
’s industrial managed switch has internal calendar (date) and clock (or system time) which can be set manually
or automatically. Figure 2.32 shows the
System Time and SNTP
webpage. The users have options to configure
Current Date
and
Current Time
manually. There is a drop-down list of
Time Zone
which can be selected for the
local time zone. Note that there is a
System Startup Time
information which cannot be configured. If the switch is
deployed in a region where daylight saving time is practiced (see note below for explanation), please check the
Enable
option for
Daylight Saving Time
. Then, the users will have to enter the
Start Date
,
End Date
, and
Offset
in hour(s).
Figure 2.32 Webpage for Setting System Time and SNTP
For automatically date and time setting, the users can enable Simple Network Time Protocol (SNTP) by checking
the
Enable SNTP
option (see note below for explanation). Then, the users must enter the NTP Server 1 and NTP
Server 2 which will be used as the reference servers to synchronize date and time to
.
The users can specify the
Time Server Query Period for synchronization which is in the order of seconds
.
The value for this period will depend
on how much clock accuracy the users want the switch to be. Finally, the managed switch can become a network
time protocol server for the local devices by checking the box behind the
Enable NTP Server
option. Description
of each option is provided in Table 2.8.
Table 2.8 Descriptions of the System Time and the SNTP
Label
Description
Factory Default
Current Date
Allows local date configuration in yyyy/mm/dd format
None
Current Time
Allows local time configuration in local 24-hour format None
Time Zone
The user
’s current local time
(GMT+08:00) Taipei
Daylight Saving
Enable or disable Daylight Saving Time function
Unchecked
Start Date
Define the start date of daylight saving
NULL
End Date
Define the end date of daylight saving
NULL