D-Link DCM-301 User Manual
Version 5.0 | May 6, 2014
User Manual
Broadband Cable Modem
DCM-301
Table of Contents
Table of Contents
Product Overview .............................................................. 3
Package Contents .........................................................................3
System Requirements ................................................................. 3
Introduction ................................................................................... 4
Features ............................................................................................4
Hardware Overview ..................................................................... 5
Front Panel LEDs ...................................................................5
Back Panel Connectors .......................................................6
Before You Begin................................................................ 7
Local Cable Network Service .................................................... 7
Prepare Your Workspace ............................................................7
Installation ......................................................................... 8
Connecting the Cable Modem (with Router) ..................... 9
Connecting the Cable Modem (without Router) ............10
Troubleshooting .............................................................. 11
Technical Specications ..................................................12
Contacting Technical Support ........................................14
Warranty ...........................................................................15
Registration .....................................................................20
2D-Link DCM-301 User Manual
Section 1 - Product Overview
Package Contents
• DCM-301 Broadband Cable Modem
• Ethernet Cable
• Power Adapter
• Stand
• Quick Install Guide
If any of the above items are missing, please contact your reseller.
System Requirements
Verify that you have these items before beginning the installation:
• A cable-line splitter (not included), if you plan to have the cable modem and a television connected to the same wall
cable outlet.
• An active two-way cable line
• Subscription to a cable Internet service provider (ISP)
3D-Link DCM-301 User Manual
Section 1 - Product Overview
Introduction
Thank you for purchasing the D-Link “Broadband Cable Modem DCM-301, which is an MCNS DOCSIS™ 3.0 cable modem
featuring the latest DOCSIS technology.
The cable modem enables your network cable operator to provide you with broadband applications such as: telecommunications,
IP dedication for your small oce/home oce (SOHO), or high-speed residential Internet access. The DES data encryption helps
ensure privacy for the transmitted information. Another distinctive feature of the cable modem is its easy installation, because
DHCP and TFTP clients can obtain automatic access to the IP address and conguration from their network servers via the
modem. SNMP agents permit remote conguration and monitoring from a management station equipped with an SNMP server.
Note: For Internet Access, a subscription to a cable provider is required.
Features
• Full-featured compact, economical cable modem with Ethernet port.
• DOCSIS 3.0 compliant.
• RJ-45 10/100/1000BaseT Ethernet port provides traditional industry standard connection.
• Extensive SNMP management support: MIB-II.
• Ethernet-like MIB, Bridge MIB, Cable Device MIB, Baseline privacy Interface MIB, RF Interface MIB.
• Easy-to-read front panel LED’s clearly display network status and activity.
4D-Link DCM-301 User Manual
Section 1 - Product Overview
The LEDs on the cable modem indicate:
• The current performance of the cable modem.
• The condition of the network connection between the cable modem and your cable service provider.
• The condition of the connection between your cable modem and electrical power.
Hardware Overview
Front Panel LEDs
1 2 3 4 5 6
1 Power LED
2 Downstream (DS) LED
3 W/DS LED A solid green light indicates a bonded (multi-channel) connection is successfully made.
4 Upstream (US) LED
5 Online LED A solid green light indicates a connectivity to the Internet.
6 LAN LED A solid green light indicates connectivity to your router or computer
A solid green light indicates a proper connection to the power supply. The light will blink during
boot-up.
A solid green light indicates a non-bonded (single channel) connection is successfully made. The
light will blink while searching for a downstream connection.
A solid green light indicates a successful upstream connection. The light will blink while performing
upstream ranging.
5D-Link DCM-301 User Manual
Section 1 - Product Overview
Back Panel Connectors
7 8
7 Ethernet Port
8 Reset Button
9 Coaxial Connector
10 Power Port Connect the supplied power adapter.
11 Power Button Press to turn the modem on or o.
Connect to the WAN (Internet) port on your router or to an Ethernet port on your computer using
an Ethernet cable.
Press and hold the reset button with a paper clip for 10 seconds to reset the router to the factory
default settings.
Connect the cable coaxial cable to this connector. If you are sharing this connection with a TV, you
must use a coaxial splitter (not included).
9
10
11
6D-Link DCM-301 User Manual
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