D-Link DCM-301 Manuale utente
User Manual
Version 5.0 | May 6, 2014
DCM-301
Broadband Cable Modem
2D-Link DCM-301 User Manual
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
Table of Contents
3D-Link DCM-301 User Manual
Section 1 - Product Overview
• DCM-301 Broadband Cable Modem
• Ethernet Cable
• Power Adapter
• Stand
• Quick Install Guide
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)
Package Contents
If any of the above items are missing, please contact your reseller.
4D-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.
• 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.
Features
5D-Link DCM-301 User Manual
Section 1 - Product Overview
Hardware Overview
Front Panel LEDs
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.
1 Power LED A solid green light indicates a proper connection to the power supply. The light will blink during
boot-up.
2 Downstream (DS) LED A solid green light indicates a non-bonded (single channel) connection is successfully made. The
light will blink while searching for a downstream connection.
3 W/DS LED A solid green light indicates a bonded (multi-channel) connection is successfully made.
4 Upstream (US) LED A solid green light indicates a successful upstream connection.The light will blink while performing
upstream ranging.
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
1 2 3 4 5 6
6D-Link DCM-301 User Manual
Section 1 - Product Overview
Back Panel Connectors
7 Ethernet Port Connect to the WAN (Internet) port on your router or to an Ethernet port on your computer using
an Ethernet cable.
8 Reset Button Press and hold the reset button with a paper clip for 10 seconds to reset the router to the factory
default settings.
9 Coaxial Connector 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).
10 Power Port Connect the supplied power adapter.
11 Power Button Press to turn the modem on or o.
7 8 910 11
7D-Link DCM-301 User Manual
Section 2 - Installation
Before You Begin
To prepare your workspace:
• Position the cable modem so that it is located near the computer and the wall cable outlet. There should be plenty of room to guide the
cables away from the cable modem without crimping them.
Prepare the cable modem:
• For horizontal installation: Place the cable modem on a level surface.
• For vertical installation: Attach the stand to the cable modem and set on a level surface.
• Do not restrict the airow around the cable modem.
Before installing the modem:
• Find the Serial Number, RF and Ethernet address located on a sticker on the cable modem and write them down.
• Contact your local cable service operator for Internet/cable network access.Your local cable operator will check for cable access availability
in your area, install a cable line (if necessary), provide you with an access account, set up conguration and verify other technical details.
• Ask your local cable service provider about adding additional IP addresses to your account. Refer to“Which Installation to Use?”for more
information.
Local Cable Network Service
Prepare Your Workspace
8D-Link DCM-301 User Manual
Section 2 - Installation
Installation
The D-Link DCM-301 DOCSIS™ 3.0 Cable Modem provides high-speed Internet access to the Internet.You can use your cable modem to directly connect
one computer in your network to the Internet or connect to a Broadband router to allow multiple devices to share the Internet.
After you install the cable modem, you must contact your cable provider (ISP) and register the MAC address. The MAC address is located on
the label on the bottom of the modem.
Below are two common ways to connect your DCM-301 modem to your network. The diagram on the left shows the connection with a broadband
router. The diagram on the right shows the connection directly to a computer. Note that the DCM-301 can be placed horizontal or vertical using the
included stand (as seen in the diagrams below).
Power Adapter (Included)
Your Network Setup
Cable Outlet
Splitter (Not Included)
To TV
DCM-301
Ethernet Cable (Included)
1 2 3
INTERNETLAN
AR RT
USB
RESET ON/OFF ACIN
Power Adapter (Included)
Your Network Setup
Cable Outlet
Splitter (Not Included)
To TV
DCM-301
Router
Ethernet Cable (Included)
Network Setup (with Router) Network Setup (without Router)
9D-Link DCM-301 User Manual
Section 2 - Installation
Connecting the Cable Modem (with Router)
Step 1:
Power o your router.
Step 2:
If you are replacing the modem, disconnect all cables and unplug the power to your old modem.
Step 3:
Connect the coaxial cable from your wall to the cable modem’s CATV cable connector. If you plan to have the cable connected to a television as well
as the cable modem, you must use a cable line splitter (not included).
Step 4:
Plug the cable modem’s power adapter into a wall outlet or surge protector and into the cable modem’s power port.
Step 5:
Plug one end of the Ethernet cable into the cable modem’s Ethernet port and the other end of the cable into the WAN or Internet port on your router.
Step 6:
In most cases you will have to call your cable company (Internet Provider) and register the MAC address of the D-Link modem. The MAC address is on
a label on the bottom of the modem.
Step 7:
When the modem is working properly, the Power, DS, US, Online, and LAN LEDs will all be lit.
Note: Remember to contact your Internet Service Provider (ISP) to register the MAC address of the DCM-301 or you will NOT be able to connect
to the Internet.
10D-Link DCM-301 User Manual
Section 2 - Installation
Connecting the Cable Modem (without Router)
Step 1:
Power o your computer.
Step 2:
If you are replacing the modem, disconnect all cables and unplug the power to your old modem.
Step 3:
Connect the coaxial cable from your wall to the cable modem’s CATV cable connector. If you plan to have the cable connected to a television as well
as the cable modem, you must use a cable line splitter (not included).
Step 4:
Plug the cable modem’s power adapter into a wall outlet or surge protector and into the cable modem’s power port.
Step 5:
Plug one end of the Ethernet cable into the cable modem’s Ethernet port and the other end of the cable into the Ethernet adapter of your computer.
Step 6:
In most cases you will have to call your cable company (Internet Provider) and register the MAC address of the D-Link modem. The MAC address is on
a label on the bottom of the modem.
Step 7:
When the modem is working properly, the Power, DS, US, Online, and LAN LEDs will all be lit.
Note: Remember to contact your Internet Service Provider (ISP) to register the MAC address of the DCM-301 or you will NOT be able to connect
to the Internet.
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