ZyXEL Communications XGS3600 Series Manual page 17

The switch supports valid configurable day light saving time is –5 ~ +5 step
one hour. The zero for this parameter means it need not have to adjust current
time, equivalent to in-act daylight saving. You don't have to set the
starting/ending date as well. If you set daylight saving to be non-zero, you
have to set the starting/ending date as well; otherwise, the daylight saving
function will not be activated.
Time Set Offset:

Provide the Daylight saving time set offset. The offset is given in minutes east
of GMT. The valid range is from 1 to 1440 minutes. default is 60 mins
Daylight Savings Type:

Provide the Daylight savings type selection. You can select " By Dates" or
"Recurring" two type for Daylight saving type.
From:

To configure when Daylight saving start date and time, the format is "YYYY-MM-
DD HH:MM".
To:

To configure when Daylight saving end date and time, the format is "YYYY-MM-
DD HH:MM".
The under "from" and "to" was displayed what you set
N :
OTE
on the "From" and "To" field information.
XGS3600 Series User's Guide
10