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Chapter 1 Introducing the NPS-520
NPS-520 User’s Guide
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1.3 Good Habits for Managing the NPS-520
Do the following things regularly to make the NPS-520 more secure and to manage the NPS-
520 more effectively.
• Change the password. Use a password that’s not easy to guess and that consists of
different types of characters, such as numbers and letters.
• Write down the password and put it in a safe place. If you forget your password, you will
have to reset the NPS-520 to its factory default settings.
1.4 Hardware and Utility Installation
Follow the instructions in the Quick Start Guide to make hardware connections and install the
ZyXEL utility.
1.5 The Reset Button
If you forget the password and cannot access the ZyXEL utility’s TCP/IP Setting and System
Setting screens, you will need to use the Reset button on the side of the NPS-520. This means
you will lose all configurations that you had previously. The password will be reset to 1234
and the IP address will be reset to 192.168.1.6.
1 Make sure the Ready LED on the NPS-520’s panel is on (not blinking).
2 Press the Reset button for more than five seconds and then release it.
3 The Ready LED is off when you press the button. Then the Ready and Status LEDs
flash once.
4 When the Ready LED turns steady on, the defaults have been restored and the NPS-520
is ready.