Technicolor RCA DCM475 Docsis 3.0 Internet Cable Modem User Manual

Introduction

This manual provides comprehensive instructions for the setup, operation, and maintenance of your Technicolor RCA DCM475 Docsis 3.0 Internet Cable Modem. Please read this guide carefully before installation and retain it for future reference. The DCM475 is a high-speed cable modem designed to deliver reliable internet connectivity for your home or office.

Package Contents

Before proceeding, please verify that your package contains the following items:

• Technicolor RCA DCM475 Docsis 3.0 Cable Modem
• Power Adapter
• Ethernet Cable
• Quick Start Guide (if included)

Setup and Installation

Follow these steps to properly set up your Technicolor RCA DCM475 cable modem:

1. Connect the Coaxial Cable: Connect one end of the coaxial cable to the cable wall outlet and the other end to the "Cable In" port on the back of your DCM475 modem. Ensure the connection is finger-tight.
2. Connect the Ethernet Cable: Connect one end of the Ethernet cable to the "Ethernet" port on the back of your DCM475 modem and the other end to the Ethernet port on your computer or wireless router.
3. Connect the Power Adapter: Plug the power adapter into the "Power" port on the back of the modem, then plug the other end into an electrical outlet.
4. Power On the Modem: The modem will automatically power on. Allow several minutes for the modem to initialize and connect to your internet service provider's network. The indicator lights on the front panel will show the connection status.
5. Activate Your Service: Once the modem lights indicate a stable connection (refer to the "Operating Indicators" section), you may need to contact your internet service provider (ISP) to activate the modem. Provide them with the modem's MAC address, usually found on a sticker on the bottom or back of the device.

Image: Front view of the Technicolor RCA DCM475 Docsis 3.0 Cable Modem, showing the indicator lights on the left side. The modem is black and rectangular with ventilation grilles.

Operating Indicators

The front panel of your DCM475 modem features several LED indicators that provide information about its operational status:

• Power (Green): Indicates the modem is powered on.
• Receive (Green/Blue): Indicates downstream channel connection. Green for single channel, Blue for multiple bonded channels (Docsis 3.0). Blinking indicates scanning for channels.
• Send (Green/Blue): Indicates upstream channel connection. Green for single channel, Blue for multiple bonded channels (Docsis 3.0). Blinking indicates scanning for channels.
• Online (Green): Indicates successful IP connectivity and registration with the ISP network. Blinking indicates registration in progress.
• Link (Green): Indicates an active Ethernet connection to a computer or router. Blinking indicates data activity.

Maintenance

To ensure optimal performance and longevity of your modem:

• Keep the modem in a well-ventilated area, away from direct sunlight and heat sources.
• Avoid placing objects on top of the modem that could obstruct airflow.
• Clean the exterior with a soft, dry cloth. Do not use liquid cleaners or aerosols.
• Periodically check cable connections to ensure they are secure.

Troubleshooting

If you encounter issues with your DCM475 modem, try the following steps:

1. No Power: Ensure the power adapter is securely connected to both the modem and a working electrical outlet. Try a different outlet.
2. No Internet Connection (Online light off or blinking):
   • Check all cable connections (coaxial, Ethernet, power).
   • Restart the modem by unplugging the power adapter for 30 seconds, then plugging it back in.
   • Contact your internet service provider (ISP) to confirm service status and modem activation.
3. Slow Internet Speed:
   • Restart the modem and any connected router/computer.
   • Ensure your computer's network adapter is functioning correctly.
   • Contact your ISP to check for network issues or signal strength problems.
4. Link Light Off: Ensure the Ethernet cable is securely connected between the modem and your computer/router. Try a different Ethernet cable or port.

Specifications

Warranty and Support

This product is offered as a renewed item. Warranty terms for renewed products typically vary by seller. Please refer to the specific warranty information provided by the retailer or Amazon Renewed at the time of purchase for details regarding coverage and support. For technical assistance, contact your Internet Service Provider (ISP) as they manage the network connection and modem activation.

For general information about Amazon Renewed products, you can visit the Amazon Renewed page.