Netgear CMD31T Manual

Netgear Router CMD31T

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Side 1/2

Installation Guide

Note: The MAC address and serial

number can also be found in the product

label on the bottom of the unit.

Part 1: Unpack the Shipping Carton

Verify that all items are present.

MAC address:

Serial number:

Ethernet cable

Power adapter

CMD31T Cable Modem

Part 2: Install the Cable Modem

1. Complete the connections as shown in the connections diagram.

a. Connect the coaxial cable to the NETGEAR CMD31T Cable Modem.

b. Use the Ethernet cable to connect your laptop or computer to the

NETGEAR CMD31T Cable Modem.

c. Connect the power adapter.

2. Power on your computer.

Note: It takes at least 15 minutes for your NETGEAR CMD31T Cable Modem to

come online on the network.

3. Wait until the cable modem status shows online. After the modem registers

with your cable Internet service provider, the following LEDs should be lit:

• Power LED: Solid green

• Online LED: Solid green

If the Power LED is not solid green, check your power adaptor connections.

Part 3: Contact Your Cable Operator

1. Call your cable operator and tell the customer service person that you are

installing a new cable modem that you have bought from a retail store.

Note: The contact information listed may change. The contact number can also

be found in your monthly broadband billing statement.

2. When asked, provide the cable modem’s serial number and MAC address

listed on the front page of this installation guide.

3. Wait for the customer service operator to confirm that your device is active.

• If you do not have Internet connection with the new NETGEAR cable

modem, then you should ask the customer service agent to verify whether

he or she can see your cable modem online.

• If not, the customer service agent should help you with instructions to verify

why the cable modem does not connect with your high-speed Internet

service.

• If the customer service agent can confir

m that your cable modem is visible as

online to the agent, then you should reboot your computer or laptop or home

gateway that is connected to your cable modem. Try checking your online

status again.

You are now able to enjoy your Internet service with the NETGEAR CMD31T

Cable Modem.

Cable Service Provider Contact Information

Cablevision: www.cablevision.com Comcast: 1-800-COMCAST (1-800-266-2278)

Charter: 1-888-438-2427 Time Warner Cable: 1-800-892-2253

CMD31T Cable Modem

Visit http://www.netgear.com/CMD31T for information about connecting your device

with your cable operator.

January 2013

LEDs

Power

• Solid green: Power is on.

• Off: Power is off.

Online

(Cable Link) • Green blinking: The cable modem is online and processing

traffic.

• Off: The cable modem is off line.

US (Upstream) • 1/2 solid amber: Upstream Channel 1 is in use.

• 1/2 solid green: Upstream Channels 1 and 2 are in use.

• 3/4 solid amber: Upstream Channels 1, 2, and 3 are in use.

• 3/4 solid green: Upstream Channels 1, 2, 3, and 4 are in use.

• Off: No upstream channel is in use.

DS (Downstream) • 1/2 solid amber: Downstream Channel 1 is in use.

• 1/2 solid green: Downstream Channels 1 and 2 are in use.

• 3/4 solid amber: Downstream Channels 1, 2, and 3 are in use.

• 3/4 solid green: Downstream Channels 1, 2, 3, and 4 are in use.

• Off: No downstream channel is in use.

Ethernet

• Solid green: A 1 Gbps device is connected and detected on the

Ethernet port.

• Solid Amber: A 100 Mbps device is connected and detected on

the Ethernet port.

• Solid Red: A 10 Mbps device is connected and detected on the

Ethernet port.

• Blinking: There is data traffic on the Ethernet port.

• Off: No device is detected on the Ethernet port.

Troubleshooting

No LEDs are lit

on the cable

modem

The cable modem has no power. Make sure that:

• The power adapter is correctly connected to the cable modem.

• The power adapter is correctly connected to a functioning power

outlet. If it is to a power strip, make sure that the power strip is

turned on.

• You are using the correct power adapter.

Online LED

does not light

There is a hardware connection problem, or you do not have cable

service. Do the following:

• Make sure that the cable connector is securely plugged in at the

cable modem.

• Turn the power to the cable modem off and on.

• You might not have active cable service yet. Contact your provider to

verify activation.

Ethernet LED

does not light

up even though

a device is

attached

There is a hardware connection problem. Do the following:

• Make sure that the cable connector is securely plugged in to the

cable modem and the computer.

• If you are not using the cable included with the cable modem, check

that the Ethernet cable is a straight-through patch cable.

You cannot

connect to the

Internet

It can take up to 15 minutes to establish a connection the first time you

power on your cable modem. Always leave your cable modem plugged

in to AC power and connected to the cable system. Do the following:

• Check your cable connections. Connectors should be finger tight.

• Make sure that you have powered up in the following sequence:

- Turn on your cable modem first, and wait until the LEDs stop

flashing.

- If your computer is connected to the cable modem, turn on the

computer.

• If you have a home network, check the TCP/IP configuration.

- For Windows, the network properties should be set to obtain an IP

address automatically.

- For Macintosh computers, the TCP/IP (or Network) control panel

should be set to Using DHCP Server.

Support

Thank you for purchasing this NETGEAR products.

After installing your device, locate the serial number on the label of your product and

use it to register your product at

https://my.netgear.com.

You must register your product before you can use NETGEAR telephone support.

NETGEAR recommends registering your product through the NETGEAR website.

For product updates and web support, visit

http://support.netgear.com.

NETGEAR recommends that you use only the official NETGEAR support

resources.

You can get the user manual online at

http://downloadcenter.netgear.com or through a link in the product’s user interface.

NETGEAR, the NETGEAR logo, and Connect with Innovation are trademarks and/or registered

trademarks of NETGEAR, Inc. and/or its subsidiaries in the United States and/or other countries.

For the current EU Declarations of Conformity, visit:

http://support.netgear.com/app/answers/detail/a_id/11621/.

Intended for indoor use only in all EU member states, EFTA states, and Switzerland.

Produkt Specifikationer

Mærke:	Netgear
Kategori:	Router
Model:	CMD31T
Vægt:	310 g
Ethernet LAN-porte (RJ-45):	1
Dimensioner (BxDxH):	175 x 114 x 30 mm
Kabler inkluderet:	LAN (RJ-45)
Certificering:	CEC\nRoHS\nWEEE
DC-in-stik:	Ja
LED-indikatorer:	Ja
Mac kompabilitet:	Ja
Kompatible operativsystemer:	Microsoft Windows 7, Vista, XP, 2000, Mac OS
Intern:	Ingen
Plug and play:	Ja
USB-drevet:	Ingen
Overholdelse af branchestandarder:	IPv6
Netværksfunktioner:	Gigabit Ethernet, TCP/IP
Minimum systemkrav:	Cable Broadband Internet
Upstream datahastighed:	150 Mbit/s
Downstream datahastighed:	150 Mbit/s