ZyXEL Communications P-661H Series, User Manual, Page: 278 / 383

P-661H/HW Series User’s Guide
278 Chapter 19 System
The following table describes the fields in this screen.
Table 115 System Time Setting
LABEL DESCRIPTION
Current Time and
Date
Current Time This field displays the time of your ZyXEL Device.
Each time you reload this page, the ZyXEL Device synchronizes the time with the
time server.
Current Date This field displays the date of your ZyXEL Device.
Each time you reload this page, the ZyXEL Device synchronizes the date with the
time server.
Time and Date
Setup
Manual Select this radio button to enter the time and date manually. If you configure a new
time and date, Time Zone and Daylight Saving at the same time, the new time and
date you entered has priority and the Time Zone and Daylight Saving settings do
not affect it.
New Time
(hh:mm:ss) This field displays the last updated time from the time server or the last time
configured manually.
When you set
Time and Date Setup to Manual , enter the new time in this field
and then click Apply .
New Date
(yyyy/mm/dd) This field displays the last updated date from the time server or the last date
configured manually.
When you set
Time and Date Setup to Manual , enter the new date in this field
and then click Apply .
Get from Time
Server
Select this radio button to have the ZyXEL Device get the time and date from the
time server you specified below.
Time Protocol Select the time service protocol that your time server sends when you turn on the
ZyXEL Device. Not all time servers support all protocols, so you may have to
check with your ISP/network administrator or use trial and error to find a protocol
that works.
The main difference between them is the format.
Daytime (RFC 867) format is day/month/year/time zone of the server.
Time (RFC 868) format displays a 4-byte integer giving the total number of
seconds since 1970/1/1 at 0:0:0.
The default,
NTP (RFC 1305) , is similar to Time (RFC 868).
Time Server
Address
Enter the IP address or URL (up to 20 extended ASCII characters in length) of
your time server. Check with your ISP/network administrator if you are unsure of
this information.
Time Zone Setup
Time Zone Choose the time zone of your location. This will set the time difference between
your time zone and Greenwich Mean Time (GMT).
Enable Daylight
Saving
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.