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.

11
Federal Communications Commission
(FCC):
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept anyinterference received, including interference that
may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment andreceiver.
• Connect the equipment into anoutlet on a circuit different from that to which
the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Caution
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
For product available in the USA/Canada market, only channel 1~11 can be
operated. Selection of other channels is not possible.
This device and it's antenna(s) must not be co-located or operating in conjunction
with any other antenna or transmitter except in accordance with FCC multi-
transmitter product procedures.
IMPORTANT NOTE:
Radiation Exposure Statement:
This equipment complies with FCC RF radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with
minimum distance 25 cm between the radiator and your body.
Operation of this device is restricted to indoor use only.

12
FCC REQUIREMENTS:
This equipment complies with TIA-968-B of FCC Rules. On the bass unit of this
equipment is a label that contains, among other information, the FCC Registration
Number and Ringer Equivalence Number (REN) for this equipment. IF
REQUESTED, THIS INFORMATION MUST BE GIVEN TO THE TELEPHONE
COMPANY.
The REN is useful to determine the quantity of devices you may connect to your
telephone line and still have all of those devices ring when your telephone number
is called. In most, but not all areas, the sum of the REN of all devices connected to
one line should not exceed five (5.0). To be certain of the number of devices you
may connect to you line, as determined by the REN, you should contact your local
telephone company to determine the maximum REN for your calling area.
If your equipment causes harm to the telephone network, the telephone company
may discontinue your service temporarily. If possible, they will notify you in
advance. But if advance notice is not practical, you will be notified as soon as
possible. You will be informed of your right to file a complaint with the FCC. Your
telephone company may make changes in it is facilities, equipment, operations or
procedures that could affect the proper functioning of your equipment. If they do,
you will be notified in advance to give you an opportunity to maintain uninterrupted
telephone service.
A Plug and jack used to connect this equipment to the premises wiring and
telephone network must comply with the applicable FCC Part 68 rules and
requirements adopted by the ACTA. A compliant telephone cord and modular plug
is provided with this product. It is designed to be connected to a compatible
modular jack that is also compliant. See installation instructions for details.
The telephone company maymake changes in its facilities, equipment, operations
or procedures that could affect the operation of the equipment. If this happens, the
telephone company will provide advance notice in order for you to make necessary
modifications to maintain uninterrupted service.
This equipment could be repair by users, there is not any component can be
removed or changed.
Connection to party line service is subject to state tariffs. Contact the state public
utility commission, public service commission or corporation commission for
information.
If you experience trouble with this telephone equipment, please contact the
following address and phone number for information on obtaining service or
repairs.
The telephone company may ask that you disconnect this equipment from the
network until the problem has been corrected or until you are sure that the
equipment is not malfunctioning.
This equipment may not be used on coin service provided by the telephone
company. Connection to party lines is subject to state tariffs.

13
COMPANY: ZYXEL Communications Inc.
ADDRESS: 1130 N. Miller St., Anaheim CA, 92806 USA
TEL NO.: 714-6320882
Safety Warnings
• Do NOT expose your device to dampness, dust or corrosive liquids.
• Do NOT store things on the device.
• Do NOT install, use, or service this device during a thunderstorm.
There is a remote risk of electric shock from lightning.
• Connect ONLY suitable accessories to the device.
• Do NOT open the device or unit. Opening or removing covers can
expose you to dangerous high voltage points or other risks. ONLY
qualified service personnel should service or disassemble this device.
Please contact your vendor for further information.
• Make sure to connect the cables to the correct ports.
• Place connecting cables carefully so that no one will step on them or
stumble over them.
• Always disconnect all cables from this device before servicing or
disassembling.
• Use ONLY an appropriate power adaptor or cord for your device.
• Connect the power adaptor or cord to the right supply voltage(for
example, 110V AC in North America or 230V AC in Europe).
• Do NOT allow anything to rest on the power adaptor or cord and do
NOT place the product where anyone can walk on the power adaptor
or cord.
• Do NOT use the device if the power adaptor or cord is damaged as it
might cause electrocution.
• If the power adaptor or cord is damaged, remove it from the device
and the power source.
• Do NOT attempt to repair the power adaptor or cord. Contact your
local vendor to order a new one.
• Do not use the device outside, and make sure all the connections are
indoors. There is a remote risk of electric shock fromlightning.
• Do NOT obstruct the device ventilation slots, as insufficient airflow
may harm your device.
• Antenna Warning! This device meets ETSI and FCC certification
requirements when using the included antenna(s). Only use the
included antenna(s).

14
Your product is marked with this symbol, which is known as
the WEEE mark. WEEE stands for Waste Electronics and
Electrical Equipment. It means that used electrical and
electronic products should not be mixed with general waste.
Used electrical and electronic equipment should be treated
separately.
IMPORTANT SAFETY INSTRUCTIONS
• Caution! The RJ-45 jacks are not used for telephone line connection.
• Caution! To reduce the risk of fire, use only No. 26 AWG or larger
(e.g., 24 AWG) UL Listed or CSA Certified Telecommunication Line
Cord.
• Caution! Do not use this product near water, for example a wet
basement or near a swimming pool.
• Caution! Avoid using this product (other than a cordless type) during
an electrical storm. There may be a remote risk of electric shock from
lightning.
• Caution! Always disconnect all telephone lines from the wall outlet
before servicing or disassembling this product.
• Attention: Les prises RJ-45 ne sont pas utilisés pour la connexion de
la ligne téléphonique.
• Attention: Pour réduire les risques d'incendie n'utiliser que des câbles
de type 26 AWG ou des câbles de connexion plus épais.
• Attention: Ne pas utiliser ce produit près de l'eau, par exemple un
sous-sol humide ou près d'une piscine.
• Attention: Évitez d'utiliser ce produit (autre qu'un type sans fil)
pendant un orage. Il peut y avoir un risque de choc électrique de la
foudre.
• Attention: Toujours débrancher toutes les lignes téléphoniques de la
prise murale avant de réparer ou de démonter ce produit.
EU Importer: ZYXEL Communications A/S | Generatorvej 8D, 2730 Herlev,
Denmark | http://www.zyxel.com/dk/da/
US Importer: ZYXEL Communications, Inc | 1130 North Miller Street Anaheim, CA
92806-2001 | https://www.zyxel.com/us/en/