ZyXEL Communications NXC-8160, Руководство пользователя

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NXC-8160 User’s Guide
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H A P T E R
6
System Tools
6.1 Overview
This chapter describes how you can upload new firmware, manage your configuration, set up
the NXC-8160’s time, and restart or apply changes to your NXC-8160.
6.1.1 What You Can Do in This Chapter
• The Apply screen lets you globally apply any changes made on the other screens in the
NXC-8160 web configurator ( Section 6.2 on page 68 ).
• The Reboot screen lets you shut down and remotely restart the NXC-8160 ( Section 6.3 on
page 68 ).
• The Maintenance screen lets you save your NXC-8160’s configuration settings, restore a
previously saved configuration file, or reset the device to its factory default configuration
(
Section 6.4 on page 69 ).
• The Time & Date screen lets you configure the NXC-8160’s time and date settings
( Section 6.5 on page 70 ).
• The Passwords screen lets you change the NXC-8160’s management passwords ( Section
6.6 on page 71 ).
• The Upgrade screen lets you update the NXC-8160’s firmware ( Section 6.7 on page 72 ).
6.1.2 What You Need to Know
The following terms and concepts may help as you read through this chapter.
NTP
NTP stands for Network Time Protocol. It is employed by devices connected to the Internet in
order to obtain a precise time setting from an official time server. These time servers are
accurate to within 200 microseconds.
Firmware
Firmware is a program embedded directly on a piece of hardware. It controls the NXC-8160,
and can be upgraded although the process is quite different from upgrading normal software.