Motorola SURFboard SB6121 - User Manual

User Guide
SURFboard® SB6121
DOCSIS® 3.0 Cable Modem

Summary

Safety and Regulatory Information

Important Safety Instructions

Basic safety precautions to reduce the risk of fire, electric shock, and injury to persons.

FCC and Regulatory Compliance

FCC statements, cautions, declarations, and Industry Canada compliance for the device.

Connecting the Modem

Connect the Cable Modem to Your Computer

Step-by-step instructions for physically connecting the SB6121 to a computer.

Connection Testing and Setup

Verifying connectivity, activation, and setting up internet access on the SB6121.

Wall Mounting the Modem

Monitoring Your Cable Modem and Connected Network

Start the Cable Modem Web Manager

Instructions on how to access the SB6121 Web Manager interface via a web browser.

Web Manager Screen Options

View Modem Status and Product Information

View Event Log and Configuration

Reset and Reboot Modem

Procedures to reset the SB6121 to factory defaults or reboot the modem.

Troubleshooting Tips

Solutions for Modem Problems

Common modem problems and their possible solutions, including checking connections and LEDs.

Front Panel Icons and Error Conditions

Motorola SURFboard SB6121 Specifications

General

DOCSIS Standard	DOCSIS 3.0
Downstream Channels	4
Upstream Channels	4
Max Download Speed	172 Mbps
Max Upload Speed	131 Mbps
Ethernet Ports	1
Product Type	Cable Modem
Compatible ISPs	Comcast, Cox, Charter