43

3-1-3. Time Configuration
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. If you input an
invalid value, for example, 61 in minute, the switch will clamp the figure to 59.
NTP is a well-known protocol used to synchronize the clock of the switch system
time over a network. NTP, an internet draft standard formalized in RFC 1305, has
been adopted on the system is version 3 protocol. The switch pr ovides four bu ilt-in
NTP server IP addresses resided in the Internet and a user-defined NTP server IP
address. The time zone is Greenwich-centered which uses the expr ession form of
GMT+/- xx hours.
Function name:
Time
Function description:
Set the system time by manual input or set it by syncing from Time s ervers.
The function also supports daylight saving for different area’s time adjustment.
Parameter description:
Current Time:
Show the current time of the system.
Manual:
This is the function to adjust the time manually. Filling the valid figures in
the fields of Year, Month, Day, Hour, Minute and Second respectively and
press <Apply> button, time is adjusted. The valid figures for the
parameter Year, Month, Day, Hour, Minute and Second are >=2000, 1-12,
1-31, 0-23, 0-59 and 0-59 respectively. Input the wrong figure and press
<Apply> button, the device will reject the time adjustment request. There
is no time zone setting in Manual mode.
Default: Year = 2000, Month = 1, Day = 1
Hour = 0, Minute = 0, Second = 0