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C4000LG
USER
GUIDE
Version 1.0

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john
March 27, 2025

how much coverage of square feet in home will it cover

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April 8, 2025

how many feet can my laptop be away from my C4000LZ modem

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April 20, 2025

looking for, and unable to find, usb settings for C4000LG

Summary of Contents for CenturyLink C4000LG

  • Page 1 C4000LG USER GUIDE Version 1.0...
  • Page 2 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.
  • Page 3: Table Of Contents

    Contents Introduction ............................................4 Overview ............................................. 4 Setup ..............................................4 Internet Connection Setup (CenturyLink Home Router side) ............................. 7 Automatic Connection ....................................... 7 Manual Connection ........................................7 Setting up a wireless network ......................................9 Using WPS (Wireless Protected Setup) ..................................9 Setting up a wireless network manually ..................................
  • Page 4: Introduction

    2 Overview 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.
  • Page 5 2. Plug the power adapter into a power outlet. 3. Plug phone cable (green) into the C4000LG...
  • Page 6 4. Plug other end of Ethernet cable into the your home phone line. 5. Continue to the Internet connection Setup.
  • Page 7: Internet Connection Setup (Centurylink Home Router Side)

    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.
  • Page 8 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...
  • Page 9: Setting Up A Wireless Network

    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...
  • Page 10: Getting To Know The C4000Lg

    6 Getting to know the C4000LG Front LED RING WPS BUTTON Back USB PORT ETHERNET PORTS WAN/LAN PORT DSL PORT RESET & POWER PORTS...
  • Page 11: Technical Specifications

    7 Technical 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 versions 4 and 6 Speed: Wireless LAN PHY Rate: 2.4 GHz: 802.11ax - up to 600Mbps 5 GHz: 802.11ax - up to 2400Mbps...
  • Page 12: Fcc

    Operating Humidity: 8% to 95% (non-condensing) Storage Humidity: 5% to 100% (non-condensing) 8 FCC: 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.
  • Page 13 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: 866-642-0444 7 am – 9 pm (ET)
  • Page 14 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.

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