CenturyLink C4000LG User manual

C4000LG
USER
GUIDE
Version1.0

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NOTICE
This document contains confidential information, which is proprietary to CenturyLink. No part of its contents can be used, copied, disclosed, or
conveyed to any party in any manner whatsoever without prior written permission from CenturyLink.
Copyright © 2019 CenturyLink Inc. All Rights Reserved.

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Contents
1Introduction ........................................................................................................................................................................................................................ 4
2Overview............................................................................................................................................................................................................................. 4
3Setup................................................................................................................................................................................................................................... 4
4Internet Connection Setup (CenturyLink Home Router side).............................................................................................................................................7
4.1 Automatic Connection ............................................................................................................................................................................................... 7
4.2 Manual Connection.................................................................................................................................................................................................... 7
5Setting up a wireless network ............................................................................................................................................................................................ 9
5.1 Using WPS (Wireless Protected Setup) ...................................................................................................................................................................... 9
5.2 Setting up a wireless network manually .................................................................................................................................................................... 9
6Getting to know the C4000LG .......................................................................................................................................................................................... 10
7Technical Specifications:................................................................................................................................................................................................... 11
7.1 General Specifications.............................................................................................................................................................................................. 11
7.2 Dimensions and weight............................................................................................................................................................................................ 11
7.3 Environmental Parameters ...................................................................................................................................................................................... 11
8FCC: ................................................................................................................................................................................................................................... 12

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1Introduction
Please read through this user guide prior to using this product and retain the manual for future use. Only operate this device upon the full
understanding of the devices basic operation as described in this manual.
Any deviation or alteration of this product, it's appearance or specification are without consent or further notice of the company.
2Overview
The C4000LG is a high performance 2x2 Wi-Fi 6 router (802.11ax) with a VDSL2 integrated access device (IAD) with a four-port built-in it Giga Ethernet
switch. The C4000LG allows wired and wireless clients to safely access the Internet. Additionally, the C4000LG includes a Gigabit Ethernet LAN port that
can also serve as a WAN connection to support a either a WAN or LAN function.
3Setup
1. Insert the power connector into the C4000LG.

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2. Plug the power adapter into a power outlet.
3. Plug phone cable (green) into the C4000LG

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4. Plug other end of Ethernet cable into the your home phone line.
5. Continue to the Internet connection Setup.

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4Internet Connection Setup (CenturyLink Home Router side)
Your C4000LG can automatically detect and configure your Internet (section 4.1), or done manually (section 4.2).
4.1 Automatic Connection
1. Open your web browser to a website. Wait while your device tries to detect your DSL connection to your ISP. This may take a few
minutes.
2. After it detects the connection, the LED Ring will show green on your C4000LG when the Internet 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 to Set Up a Wireless Network if you wish to configure your wireless settings.
4. If the automatic connection is not successful, check your connections 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 manually configure
the Internet connection.
4.2 Manual Connection
You can also manually log into the router’s Web UI to configure your 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 the label on the bottom of the device). 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.

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3. The main screen will appear. Click the quick setup icon to configure the device’s Internet access
4. Enter the user name and password provided by your ISP. Click Apply to finish the configuration.
5. The LED ring in the center of the C4000LG will light up green upon full internet access. If it is Red, please contact CenturyLink
support to troubleshoot. Alternatively, you can look at the status within the Web UI to try to determine what the issue might be.

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5Setting up a wireless network
You can setup a wireless network using the following methods using an automatic connection (section 5.1) or manually connecting the
device (section 5.2):
5.1 Using WPS (Wireless Protected Setup)
1. Press the WPS button on the C4000LG’s front for more than five seconds to turn WPS on.
2. You should see the light blinking White until a pairing sequence has started with the device connecting to the network (at which
point it will alternate white and green).
3. Press the WPS button on the device you wish to connect to the network
4. If a successful connection is established, the LED ring will alternate Green, then white, then solid green once normal active
operations continue.
5.2 Setting up a wireless network manually
The wireless LAN on your C4000LG is enabled by default. To add a wireless client to the network, use the settings found on the bottom label
of your C4000LG. Configure wireless devices that you want to connect to the wireless network to use the same wireless settings as the
C4000LG.

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6Getting to know the C4000LG
Front
Back
WPS BUTTON
LED RING
USB PORT
ETHERNET
PORTS
WAN/LAN PORT
DSL PORT
RESET & POWER
PORTS

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7Technical Specifications:
7.1 General Specifications
Model Number: C4000LG
Standards: 802.11n/ac/ax, and backward compatible to 802.11a/b/g
Memory: 1GB DDR3 Memory, 1GB Flash
IP: IP versions 4 and 6
Speed: Wireless LAN PHY Rate:
2.4 GHz: 802.11ax - up to 600Mbps
5 GHz: 802.11ax - up to 2400Mbps
Wired LAN Ethernet: Wired WAN Ethernet: 10/100/1000 Mbps auto-sensing
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7.2 Dimensions and weight
Gateway (unit only)
Size: 8.30” (Height) x 5.64” (Bottom) x 4.68” (Top).
Weight: 1.54 lbs / 0.70 kg
7.3 Environmental Parameters
Power: External, 12V DC, 2.5A
Certifications: FCC Part 15, UL : E164374
Operating Temperature: 10° C to 40° C (50° F to 104° F)
Storage Temperature: -20° C to 85° C (-4° F to 185° F)

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Operating Humidity: 8% to 95% (non-condensing)
Storage Humidity: 5% to 100% (non-condensing)
8FCC:
Federal Communication Commission Interference Statement
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 any interference received, including interference that may cause undesired operation.
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 of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to
operate this equipment.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
Operations in the 5.15-5.25GHz band are restricted to indoor usage only.
This device meets all the other requirements specified in Part 15E, Section 15.407 of the FCC Rules.

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Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and
operated with minimum distance 27cm between the radiator & your body.
FCC Part 68
This equipment complies with Part 68 of the FCC rules. Located on the equipment is a label that contains, among other information, the ACTA
registration number and ringer equivalence number (REN.) If requested, this information must be provided to the telephone company.
The REN is used to determine the quantity of devices which may be connected to the telephone line. Excessive REN’s on the telephone line may
result in the devices not ringing in response to an incoming call. In most, but not all areas, the sum of the REN’s should not exceed five (5.0). To
be certain of the number of devices that may be connected to the line, as determined by the total REN’s contact the telephone company to
determine the maximum REN for the calling area.
This equipment cannot be used on the telephone company-provided coin service. Connection to Party Line Service is subject to State Tariffs.
If this equipment causes harm to the telephone network, the telephone company will notify you in advance that temporary discontinuance of
service may be required. If advance notice isn’t practical, the telephone company will notify the customer as soon as possible. Also, you will be
advised of your right the file a complaint with the FCC if you believe it is necessary.
The telephone company may make 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 the necessary modifications in order to maintain
uninterrupted service.
If trouble is experienced with this equipment, please contact:
Company Name: CenturyLink Inc.
Address: 100 CenturyLink Dr. Monroe, LA 71203
TEL: [phone] am – 9 pm (ET)

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FAX: N/A
If the trouble is causing harm to the telephone network, the telephone company may request you to remove the equipment from the network
until the problem is resolved.
This equipment uses the following USOC jacks:
It is recommended that the customer install an AC surge arrester in the AC outlet to which this device is connected. This is to avoid damaging the
equipment caused by local lightning strikes and other electrical surges.