802.11n Wireless ADSL2+ 4-port
Firmware V3.10
Edition 1, 9/2010
DEFAULT LOGIN DETAILS
IP Address:http://192.168.1.1
User Login:User Name: user
Administrator
Login:
User Name: admin
Password: 1234
www.zyxel.com
Copyright 2010
ZyXEL Communications Corporation
Overview
The P-661HNU-Fx series are high performance routers which combine
high-speed ADSL Internet access, a built-in switch, a firewall and highspeed wireless networking capability. It also comes with a USB 2.0 port
that can be used for file sharing via a USB compatible storage device, or
inserting a 3G wireless adapter to access the internet through a 3G
network. The P-661HNU-Fx can also function as a print server.
Requirements
Make sure you have the following things before you start.
• Internet access - account information provided by your ISP, such as
user name, password, and so on.
• 3G account - if you want to access the Internet through a 3G
network. The P-661HNU-Fx uses this 3G connection as your WAN
or as a backup when the DSL connection fails.
• Internet Explorer 6.0 and later versions, with JavaScript enabled, or
Mozilla Firefox 3 and later versions or Safari 2.0 and later versions.
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Hardware Connections
s plastic cover before using it.
1. DSL: Use a telephone wire to connect this port to a telephone jack (or
the DSL or MODEM jack on a splitter, if you have one).
2. ETHERNET: Use an Ethernet cable to connect a computer to one of
these ports for initial configuration and/or Internet access.
3. USB 2.0: You can do the following:
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a. Connect a USB (version 2.0 or lower) memory stick or a USB hard
drive for file sharing. The P-661HNU-Fx automatically detects the
USB device. Alternatively, use a USB cable (not provided) to
connect a USB (version 2.0 or lower) printer to this port.
b. Insert a 3G adapter to access the Internet wirelessly via a 3G
network. The P-661HNU-Fx uses this 3G WAN connection as a
backup when the DSL connection fails.
4. POWER: Use the power adaptor provided with your P-661HNU-Fx to
connect an appropriate power source to this socket.
5. Push the power button to the on position.
Look at the LEDs (lights) on the top panel of the P-661HNU-Fx.
• The POWER light blinks during start-up and is green once the P-
661HNU-Fx is ready.
• An ETHERNET light turns on if the corresponding ETHERNET port
is properly connected. An Ethernet port’s light blinks when the P661HNU-Fx is sending or receiving data through it.
• The WLAN/WPS light stays green when the wireless LAN is ready.
It blinks when the P-661HNU-Fx is sending/receiving data through
the wireless LAN.
• The DSL light stays on if a physical DSL connection exists and
blinks when attempting to synchronize DSL signal.
• The INTERNET light is solid green when Internet access is
available and blinks when sending or receiving data.
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• The USB light turns on when there is a USB device (printer or
Make sure the power source is turned on. Turn the P
memory stick) or a 3G adapter connected to the P-661HNU-Fx and
blinks when transmitting data.
If none of the lights are on, check your connections. Make
sure that you have the power adaptor connected to the P-
661HNU-Fx and plugged in to an appropriate power source.
661HNU-Fx off, wait for a few seconds and turn it back on. If
the LEDs are still off, contact your local vendor.
If you want to have the P-661HNU-Fx use 3G as your WAN
or as a backup when the DSL connection fails, see your
User’s Guide for how to use the Network Setting >
Broadband > 3G Backup screen to set up the 3G WAN
connection.
Set Up a Wireless Network
To set up a wireless network you need at least one wireless network
• If you have a desktop computer, use either a wireless USB adapter
or a wireless PCI adapter.
• If you have a laptop, use either a wireless USB adapter or a
wireless CardBus card. These are built into many laptops.
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