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268
Page 272 / 421
P-660HN-FxZ Series User’s Guide
269
C
HAPTER
19
System Settings
19.1
Overview
This chapter shows you how to configure system related settings, such as system time,
password, name, the domain name and the inactivity timeout interval.
19.1.1
What You Can Do in the System Settings Screens
•
Use the
General
screen (
Section 19.2 on page 269
) to configure system settings.
•
Use the
Time Setting
screen (
Section 19.3 on page 271
) to set the system time.
19.1.2
What You Need to Know About System Settings
DHCP
DHCP (Dynamic Host Configuration Protocol) is a method of allocating IP addresses to
devices on a network from a DHCP Server. Often your ISP or a router on your network
performs this function.
LAN
A LAN (local area network) is typically a network which covers a small area, made up of
computers and other devices which share resources such as Internet access, printers etc.
19.2
The General Screen
Use this screen to configure system settings such as the system and domain name, inactivity
timeout interval and system password.
The
System Name
is for identification purposes. However, because some ISPs check this
name you should enter your computer's "Computer Name". Find the system name of your
Windows computer by following one of the steps below.
•
In Windows 95/98 click
Start
,
Settings
,
Control Panel
,
Network
. Click the
Identification tab, note the entry for the
Computer Name
field and enter it as the
System
Name
.
•
In Windows 2000, click
Start
,
Settings
,
Control Panel
and then double-click
System
.
Click the
Network Identification
tab and then the
Properties
button. Note the entry for
the
Computer name
field and enter it as the
System Name
.
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Chapter 19 System Settings
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•
In Windows XP, click
start
,
My Computer
,
View system information
and then click the
Computer Name
tab. Note the entry in the
Full computer name
field and enter it as the
ZyXEL Device
System Name
.
Click
Maintenance > System
to open the
General
screen.
Figure 167
Maintenance > System > General
The following table describes the labels in this screen.
Table 98
Maintenance > System > General
LABEL
DESCRIPTION
System Setup
System Name
Choose a descriptive name for identification purposes. It is recommended you enter
your computer’s “Computer name” in this field. This name can be up to 30
alphanumeric characters long. Spaces are not allowed, but dashes “-” and
underscores "_" are accepted.
Domain Name
Enter the domain name (if you know it) here. If you leave this field blank, the ISP
may assign a domain name via DHCP.
The domain name entered by you is given priority over the ISP assigned domain
name.
The
Domain Name
entry is propagated to the DHCP clients on the LAN.
Administrator
Inactivity Timer
Type how many minutes a management session (either via the web configurator or
telnet) can be left idle before the session times out. The default is 5 minutes. After it
times out you have to log in with your password again. Very long idle timeouts may
have security risks. A value of "0" means a management session never times out,
no matter how long it has been left idle (not recommended).
Password
User Password
New
Password
Type your new user password (up to 30 characters). Note that as you type a
password, the screen displays a (*) for each character you type. After you change
the password, use the new password to access the ZyXEL Device.
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271
19.3
The Time Setting Screen
Use this screen to configure the ZyXEL Device’s time based on your local time zone. To
change your ZyXEL Device’s time and date, click
Maintenance > System > Time Setting
.
The screen appears as shown.
Figure 168
Maintenance > System > Time Setting
Retype to
confirm
Type the new password again for confirmation.
Admin
Password
Old
Password
Type the default password or the existing password you use to access the system in
this field.
New
Password
Type your new system password (up to 30 characters). Note that as you type a
password, the screen displays a (*) for each character you type. After you change
the password, use the new password to access the ZyXEL Device.
Retype to
confirm
Type the new password again for confirmation.
Apply
Click this to save your changes.
Cancel
Click this to restore your previously saved settings.
Table 98
Maintenance > System > General
LABEL
DESCRIPTION
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Chapter 19 System Settings
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272
The following table describes the fields in this screen.
Table 99
Maintenance > 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).
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.

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