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Summary of Contents for Arris SURFboard T25
- Page 1 Q U IC K STA RT GUI DE Cable Modem with Xfinity Voice...
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Page 2: What's In The Box
What’s in the Box 12vDC 2.5A Support Power Adapter Information Card Ethernet Cable Software License Quick Start Guide & Warranty Card T25 Cable Modem with Xfinity Voice... - Page 3 Introduction Status Indicators Let’s Get Started Cable Modem Web Manager...
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Page 4: Status Indicators
Status Indicators... -
Page 5: Front Panel Leds
Voice cable modem is connected to the network Flash Telephone service for lines 1 Tel1 & Tel2 & 2 are connected. Note: Detailed LED status information is available online in the SURFboard T25 User Guide at the ARRIS Support website, www.arris.com/selfhelp. - Page 6 The SURFboard T25 is a combination DOCSIS 3.0 telephony cable modem with two Voice-over-IP (VoIP) telephone lines. It uses DOCSIS 3.0 technology to provide ultra high-speed Internet access on your home or small business network. For whole home connectivity, use the T25 Ethernet port to add a Wi-Fi router (separate purchase).
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Page 7: Let's Get Started
Let’s Get Started... - Page 8 Connect the coaxial cable (not included) from the cable wall outlet or RF splitter to the Cable connector on the rear of your cable modem. Tighten the cable connector by hand.
- Page 9 Connect the Ethernet cable to Ethernet port 1 on the rear of your cable modem and the Ethernet port on your PC or laptop. Ethernet port 2 is bridged to Ethernet port 1. Your Internet service provider may require a subscription to a second IP address to support using...
- Page 10 Connect the power adapter to the Power port on the rear of your cable modem, then plug it into an electrical wall outlet that is not controlled by a wall switch. Your cable modem will automatically power ON when the power adapter is connected.
- Page 11 Check the front panel LEDs on your cable modem. After a brief pause, the first three LEDs should light up SOLID white. Power US/DS (Upstream/Downstream) Online Telephone Line 1 Telephone Line 2...
- Page 12 Note: For Comcast subscribers, please visit xfinity.com/activate before calling Comcast or ARRIS. If there is an issue with the activation, please call Comcast: 1-800-Xfinity (1-800-934-6489). Make sure you have your Comcast XFINITY account number, account phone number, and login information...
- Page 13 Open a web browser using your mobile device and xfinity.com/activate visit to activate your Xfinity service. Activate your Xfinity service using either your mobile phone number or your Xfinity user name and password.
- Page 16 Verify T25 connectivity by accessing the Internet on your connected PC or laptop. Visit any public webpage such as www.surfboard.com. If the website fails to open, please contact your service provider to set up your Internet service or activate your cable modem.
- Page 17 Cable Modem Web Manager...
- Page 18 Monitor the T25 operational status using the T25 Web Manager. Open a web browser (e.g., Internet Explorer, Google Chrome, etc.) on your connected computer or laptop. Type 192.168.100.1 the default LAN IP address, the Address bar and press Enter.
- Page 19 For additional assistance with your T25, ARRIS is available to help. Choose one of the following: • www.arris.com/selfhelp Visit for Self Help, FAQs, Product Manuals, Live Chat, and Email support. • Call us at 1-877-466-8646. • For information on additional SURFboard products,...
- Page 20 ARRIS, SURFboard, and the ARRIS logo are all trademarks or registered trademarks of ARRIS Enterprises, LLC. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks or the names of their products. ARRIS disclaims proprietary interest in the marks and names of others.
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