ZyXEL Communications C4000LZ User manual

C4000LZ
Dual-Band Wireless AX VDSL2 Gigabit
Gateway
Version 1.1
Edition 1, 01/2020
Default Login Details
LAN IP Address
http://192.168.0.1
User Name
admin
Password
Check the device label
Copyright © 2020 ZYXEL Communications Corporation
Quick Start Guide

2
LED LIGHT /
WPS BUTTON
Device Panels

3
USB SLOT
ETHERNET
PORTS 1-4
PORT
DSL LED
DSL PORT
RESET

4
Overview
The Device is a Wi-Fi 802.11ax 4-port combo WAN VDSL gateway. The
Device allows wired and wireless clients to safely access the Internet.
Additionally, the Device includes a Gigabit Ethernet LAN port that can
also serve as a WAN connection to support a dual WAN function. The
USB port allows you to connect a USB memory stick or USB hard drive
for storing or sharing files through the network.
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.
• A browser that supports HTML5, such as Internet Explorer 11,
Mozilla Firefox, or Google Chrome.

5
Hardware Connections
1. Use a telephone cable to connect your Device’s DSL port to a
telephone jack (or the DSL or modem jack on a splitter if youhave
one).
2. ETHERNET: Use an Ethernet cable to connect a computer to aLAN
port for initial configuration and/or Internet access.
3. USB: You can connect a USB memory stick or a USB harddrive for
file sharing. The Device automatically detects the USB device.
Alternatively, use a USB cable (not provided) to connect a USB
printer to this port.

6
4. POWER: Use the provided power adaptor to connect the POWER
socket to an appropriate power source. Make sure the power atthe
outlet is on. Look at the LED lights on the front and rearpanels.
• The front LED light blinks while your Device starts up and issolid
blue once it is ready.
• The DSL light on the rear panel is solid green after your Devicehas
a DSL connection.
• Each ETHERNET light is on if the corresponding LAN port is
properly connected and blinks when there is traffic.
• The front LED light blinks white whenWPS is enabled and blinks
white/green while WPS is in process.
If the lights do not come on, check your connections and inspect your cables
for damage. If the lights are still off, contact technical support.
Internet Connection Setup
Your Device can automatically detect and configure your Internet
connection once the hardware is connected properly.
Automatic Connection
1. Open your web browser to a website. Wait while your Device triesto
detect your DSL connection to your ISP. This may take a few
minutes.
2. After it detects the connection, the DSL light and front LED lightare
green on your Device and it is ready for you to use. If you have a
PPPoE connection, you will have to enter the user name and
password provided by your ISP.
3. Go toSet Up aWireless Network if you wish to configure your
wireless settings.

7
4. If the automatic connection is not successful,check yourconnections
and restart the Device. Also, make sure you have entered the user
name and password correctly. If you still cannot access the Internet,
follow the steps in the next section to manuallyconfigure the Internet
connection.
Manual Connection
You can also manually log into the Device’s Web Configurator and
configure the Internet connection.
1. In your browser, if the Device does not automatically re-direct you to
the login screen, go to http://192.168.0.1.
2. Enter the default user name admin and password (see theDevice’s
label). Click Apply.
If the login screen does not open, make sure you allow web browser pop-up
windows, JavaScripts and Java permissions. Your computer should be also
set to get an IP address automatically from a DHCP server.

8
3. The main screen appears. Click Quick Setup to configurethe
Device’s Internet access.
4. Enter the user name and password provided by your ISP.Click Apply
to finish the configuration.

9
5. The DSL light and front LED light are green on your Device when the
Internet is readyfor you to use. If you still cannot access the Internet,
contact your ISP.
Set Up a Wireless Network
You can set up a wireless network using the following methods:
Using Wireless Protected Setup (WPS)
Press the WPS button on the Device’s front panel for more than 5
seconds to turn the WPS function on.

10
Follow these steps to add a WPS-enabled device to the wireless
network using the WPS button.
Place the devices you
want to connect near one
another.
Press theWPS button on
the Device.
Press theWPS button on
a compatible device
within 2 minutes of
pressing the button on
the Device.
The front LED light on
the Device blinks white
when connection is in
progressandblinkswhite
and green when
connected.
Set Up a Wireless Network Manually
The wireless LAN on your Device is enabled by default. To add a
wireless client tothenetwork, usethesettings found on the bottom panel
of your Device.
Configure wireless devices that you want to connect to the wireless
network to use the same wireless settings as the Device.
The default wireless settings vary for each Device. Refer to the label of
your Device and use the provided information.