Answer | When installing the SBV2402 for the first time, it is required to activate the Modem for Internet access.  This document contains the following sections:
Prior to Installation
- Check that the following items were included with the SBV2402Â Modem. Â
- Power Cord
- Ethernet Cable
- Quick Start Guide
- Software License & Warranty Card
- Support Information Card
- Establish cable service with Comcast by contacting 1-800-Xfinity (1-800-934-6489).
 - Locate the required information to activate XFINITY Internet service.
- Comcast Account Number
- Phone Number
NOTE:Â The Comcast account number can be found on the billing statement, the Comcast app or the work order for the service. Â Comcast account login credentials if it's previously created.Â
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Installation
- Connect the coaxial cable (not included) from the cable wall outlet or RF splitter to the Cable connector on the rear of the SBV2402. Tighten the connector by hand.
 - Connect a telephone cable to the TEL LINE port on the phone and to the Tel1 port on the rear of the SBV2402.
NOTE: Contact Xfinity Consumer Support to activate the VoIP service.
 - Connect the Ethernet cable to the Ethernet port on the rear of the SBV2402 and the Ethernet port on the Wi-Fi router, PC, or laptop.
 - Connect the power cord to the Power port of the rear of the SBV2402, then plug it into an electrical wall outlet that is not controlled by a wall switch.
NOTE: The SBV2402Â automatically powers ON when the power cord is connected.
 - Check the front panel LEDs on the SBV2402. After a brief pause the Online, US/DS, and Power LEDs should light up SOLID blue.
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| LED Icon | Blinking | On (Solid Blue) |  | Telephone Line 2 is either
off-hook or a call is in progress. | Telephone service for Line 2 is connected and activated; on-hook. |  | Telephone Line 1 is either off-hook or a call is in progress. | Telephone service for Line 1 is connected and activated; on-hook. |  | Scanning for an Internet connection. | Cable modem is connected to the network. |  | Scanning for upstream (send data) and downstream (receive data) channel connection. | Upstream and downstream channels are connected. |  | Not applicable; LED does not blink. | AC power is properly connected to the cable modem. |
- The Modem is activated when the Online LED is solid blue.
NOTE:Â If activation is unsuccessful, contact Xfinity customer support for further assistance and provide the following information:
- ​Modem Manufacturer
- Model Number
- Serial Number
- HFC MAC ID
- MTA MAC (applicable for voice service)Â
Activation​
- Launch a browser such as Internet Explorer, Chrome, or Safari. Enter register.xfinity.com and press the Enter key to access the XFINITY Activation page.Â
 - On the Welcome to XFINITY! page, click the Let's Get Started! button.
 - On the First, we need to authenticate your account page, enter the Comcast Account Number in the Account number field.
 - Enter the phone number associated with the Comcast account in the Phone number field, then click the Continue button.Â
NOTE: The Continue button changes to "Please Wait" while it directs to the next page.
 - On the Set Up your username and password page, enter a username in the Username field.
NOTE: If a previous account was created, click the Sign in with your existing username link to proceed with the activation steps.
 - Enter a password in the Password field and re-enter the password in the Confirm password field.
 - Click the Choose security question drop-down menu to select a security question.
 - Enter an answer for the security question selected in the Answer security question field, then click the Continue button.Â
 - On the Your account has been created page, review the username and email address, then click the Continue button.
 - On the Connection established! You're almost done page, if desired to optimize the experience with XFINITY.com set it as the browser Home Page, check mark the box.  Otherwise click the Continue button.
 - The Your device is activated page will appear.  The SBV2402 will restart and may take up to 15 minutes to complete the boot-up sequence and connect to the Internet.​
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