ZyXEL Communications P-661HW manual 278

P-661H/HW Series User’s Guide

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	This field displays the last updated time from the time server or the last time
(hh:mm:ss)	configured manually.
	When you set Time and Date Setup to Manual, enter the new time in this field
	and then click Apply.
New Date	This field displays the last updated date from the time server or the last date
(yyyy/mm/dd)	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	Select this radio button to have the ZyXEL Device get the time and date from the
Server	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	Enter the IP address or URL (up to 20 extended ASCII characters in length) of
Address	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	Daylight saving is a period from late spring to early fall when many countries set
Saving	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.

278 Chapter 19 System