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CommScope ARRIS SURFboard T25 User Manual

CommScope ARRIS SURFboard T25
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SURFboard
®
T25 Cable Modem with Xfinity Voice
User Guide, STANDARD Revision x.5
P/N 365-095-33655
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CommScope ARRIS SURFboard T25 Specifications

General IconGeneral
TypeCable Modem
DOCSIS3.1
Maximum Upload Speed1 Gbps
Ethernet Ports1
Ethernet SpeedGigabit
Channels32x8
CompatibilityCompatible with major cable internet providers

Summary

Safety and regulatory information

Important safety instructions

Key safety guidelines for device operation.

FCC statements

FCC Interference statement

Explains FCC compliance regarding radio interference.

FCC Declaration of Conformity

Declares compliance with specified FCC rules.

FCC Radiation Exposure statement

Details FCC limits for RF exposure compliance.

Caring for the environment by recycling your ARRIS equipment

Chapter 1: Getting started

About your T25

Overview of the T25 telephony modem features.

In your box

Lists the items included with the T25.

Additional item(s) needed (not included)

Lists required items not found in the T25 box.

System requirements

Specifies the necessary system requirements for using the T25.

Contact information

Provides contact details for technical support and product information.

Chapter 2: Product overview

Front panel

Describes the front panel layout and its indicator lights.

Indicator lights for the T25

Explains the meaning of various front panel LED patterns.

Rear panel

Details the ports and connectors located on the rear of the T25.

Backup power

Information on how to obtain backup power for the device.

Telephony cable modem label

Explains the information found on the device's label.

Chapter 3: Installing your T25

Install the T25

Step-by-step instructions for the physical installation of the T25.

Connect your telephone

Instructions for connecting telephone lines to the T25.

Establish an Internet connection

Procedures for activating and establishing an internet connection.

Chapter 4: Using the cable modem Web Manager

Web Manager menu links

Overview of navigation options within the T25 Web Manager.

Change the default password

Procedure to modify the default administrative password.

Status screen

Displays current upstream/downstream channel status and configuration.

Configure front panel indicators

Customizes the behavior of the front panel indicator lights.

Configure link aggregation on T25 devices

Steps to set up link aggregation for Ethernet ports.

Event Log screen

Shows a list of detected events, IDs, and their levels.

HW/FW Versions screen

Information on hardware and firmware versions of the T25.

Registration Status (CM State)

Shows connection status for DOCSIS and telephony.

Chapter 5: Managing your telephony cable modem and connected networks

Reboot and reset the T25

Procedures for rebooting and performing a factory reset.

Exit the T25 Web Manager

Instructions on how to properly close the Web Manager interface.

Chapter 6: Troubleshooting tips

Front panel LED icons and error conditions

Interprets front panel LED status for troubleshooting.

Warranty Information

Retail Purchasers

Warranty terms for products purchased directly from ARRIS.

Cable Operator or Service Provider Arrangements

Warranty for products obtained via service providers.

General Information

General warranty exclusions and limitations.

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