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Suddenlink is NOW Optimum

Altice USA rebranded Suddenlink as Optimum. If you’ve questions about Internet, TV and phone services speak to Optimum Customer Service.

We all understand the importance of high-quality entertainment and seamless connectivity in today’s time. Imagine being in the middle of a game battle online and you’re only seconds away from victory until your internet connection begins to die down.  

Doesn’t sound fun, right?

No one likes getting stuck with a poor internet connection. Whether they’re streaming their favorite TV show for the 20th time, or keeping their kids busy with YouTube videos, or simply releasing their stress with a quick gaming session online – a slow internet connection is the nightmare of every modern-day individual. Luckily, we’re living in a time where we have access to options before we settle for anything.

To help you avoid spending hours of your time researching for options, we’ve already done the dirty work and picked one for you! Suddenlink Communications is a popular TV, internet, and phone service provider that covers 18 states. Suddenlink services, particularly the cable internet service, has earned the provider a top-ten ranking as one of the biggest residential cable providers in the country.

A Bit About Suddenlink

Suddenlink delivers high-speed internet across most residential neighborhoods via its hybrid Fiber-Coaxial network. Depending on the infrastructure, the network is capable of delivering up to 940 Mbps download speed in select areas.

And the best part about Suddenlink internet service? You get affordable packages in different speed tiers! Suddenlink Internet plans are designed to fit a range of consumer needs. With higher speeds, you’ll also have access unlimited data. Other advantages include the 30-day money-back guarantee which makes your subscription risk-free, and 24/7 active customer support that backs the service once you become a customer. To know more about their plans, you can reach out to Suddenlink Customer Service.

Once you decide to sign up with Suddenlink as your internet service provider, you’re already on your way to reap the maximum benefits! For your ease, we’ve come up with a handy guide to walk you through the process of setting up your Suddenlink Internet router, and explain how the Suddenlink sign-in works. Let’s get started!

How To Set Up A Suddenlink Modem?

There are 2 ways to go about it. Upon placing the order with the service provider, you can either opt for a professional to come to your place and set it up or do it yourself. The directions are simple to follow.

Before you start setting up your router, make sure your self-install kit has the following items:

In case anything is missing from the Suddenlink self-install kit, contact Suddenlink Customer Service for help. If you’re using your own router, make sure it’s compatible with Suddenlink. Check and understand the specifications of the router before proceeding.

Now that you have your equipment, it’s time to set it up. But first, choose a centralized location in your house that will transmit the internet signals equally to every corner of the house.

  1. Attach the coaxial cable from the wall outlet to the WiFi modem through the ‘cable in’ port. And connect the power cord to an electrical outlet.
  2. Connect one end of the Ethernet cable to the modem and the other to the computer (or the router in case you are using a separate modem and wireless router).
  3. Check if the ‘online’ LED light is solid?this will verify the modem is connected to the Suddenlink network.
  4. Turn on the computer and run through the OS installed (either Windows or Mac OS).

Microsoft Windows XP or Higher

  1. To run the Internet Connection Wizard, click Start, and then click
  2. Type in “INETWIZ” and press
  3. The Internet Connection Wizard screen will appear.
  4. Click on Connect using my local area network (LAN), and then on
  5. Uncheck all boxes, and click
  6. A screen will appear asking you to set up an email account. Click on No for now?you can always do that through the Suddenlink web portal. Then, click
  7. Click Finish to save your settings.
  8. You can now browse the internet.

Mac OS X

  1. Click on the Apple icon and then select System Preferences.
  2. Click the Network
  3. From the Network window, select Built-in Ethernet.
  4. From the TCP/IP tab select
  5. Click on Apply Now button (if available) to save settings.
  6. Close the Network
  7. And, also System Preferences by choosing Quit System Preferences.

Once you’ve installed the Wi-Fi combo cable modem and a connection is established, your web browser should display a Suddenlink welcome page. It’s time to activate your account. The website will guide you through the various steps you must take to complete other settings before you can start enjoying your high-speed Suddenlink Internet.  

How To Register Your Suddenlink Account?

A Suddenlink account allows you to view your billing and account information, email, set up EZ Pay, manage account and services, track monthly data usage (if applicable), customize your homepage and more. Plus you need a Suddenlink account to access TV on-the-go via the Suddenlink2Go app.

  1. Visit the Suddenlink page for account registration.
  2. The Suddenlink welcome page will ask for your 16-digit account number as well as the Access Code. You can find this information printed on your Suddenlink bill.
  3. Enter the details, and click on Next. Follow the prompts to complete the registration of your Suddenlink account.

How To Sign In To Your Suddenlink Router?

Signing in to your Suddenlink Wi-Fi cable modem to manage your Wi-Fi settings and other things is simple.

  1. Open the web browser.
  2. Type in 168.0.1 in the address bar and click Enter.
  3. Type in your default login information to access the modem-router web interface:
    Username: cusadmin
    Password: password
  4. Click Apply and login.

How To Check Suddenlink Wi-Fi Settings?

When you are logged into the Wi-Fi cable modem, on the Home screen a list of settings will display asking for verification. Verify the settings listed below:

  • SSID = (the 4 Xs represent the last four digits of RF Cable MAC Address)
  • Channel Being Used = Auto
  • Security Mode = WPA/WPA2-PSK
  • Encryption Algorithm = TKIP/AES
  • Pre-shared key = automatically generate a number

How To Perform A Suddenlink Password Reset Via The Router?

  1. To reset your Suddenlink Wi-Fi password, navigate to the Basic Setup?here among other tabs such as the SSID, Channel, Security Mode etc. you will see the Change Password
  2. Click on Change Password?in the dialogue box that appears enter the previous password, and the new one. You’ll be asked to re-enter the new password.
  3. Click And then Apply in the Basic Setup window.

To Wrap It Up

Mastering the art of self-installation is quite rewarding.

We hope this article helps you easily set up and test your Suddenlink Wi-Fi cable modem. If you’re met with roadblocks despite all your efforts, you can reach out to Suddenlink Customer Service at 1-844-520-8978. They’ll guide you to the concerned personnel. For the Spanish-speaking, contact Servicio al Cliente de Suddenlink at Telefono de numero de Suddenlink.