User Manual
High Speed Cable Modem
Model CM1000v2
NETGEAR, Inc.
350 E. Plumeria DriveMarch 2019
San Jose, CA 95134, USA202-11957-01
Support
Thank you for purchasing this NETGEAR product.
You can visit https://www.netgear.com/support/ to register your product, get help,
access the latest downloads and user manuals, and join our community. We recommend
that you use only official NETGEAR support resources.
Contact your Internet service provider for technical support.
Trademarks
©NETGEAR, Inc. NETGEAR and the NETGEAR Logo are trademarks of NETGEAR, Inc.
Any non-NETGEAR trademarks are used for reference purposes only.
Compliance and Conformity
For regulatory compliance information, visit https://www.netgear.com/about/regulatory/.
See the regulatory compliance document before connecting the power supply.
Note to CATV system Installer–This reminder is provided to call the CATV systems
installer's attention to Section 820-93 of the National Electrical Code which provides
guidelines for proper grounding and in particular, specifies that coaxial cable shield
shall be connected to the grounding system of the building, as close to the point of
cable entry as practical.
2
High Speed Cable Modem
Contents
Chapter 1 Hardware Setup
Unpack your cable modem.................................................................5
Front panel and LEDs...........................................................................6
Rear panel..............................................................................................7
Label.......................................................................................................9
System requirements............................................................................9
Install and activate your Cable Modem...........................................10
Connect your cable modem to a computer...............................10
Before you activate your Internet service....................................11
Activate your Internet service (except with XFINITY).................12
Activate your Internet service with XFINITY................................13
Perform a speed test.....................................................................13
Connect your cable modem to a router after installation and
activation.........................................................................................14
Chapter 2 Manage Your Network
Log in to the cable modem...............................................................16
Change the admin password............................................................16
View cable modem initialization.......................................................17
View cable modem status..................................................................18
View and clear event logs..................................................................18
Specify the cable connection starting frequency...........................19
Reboot the cable modem..................................................................19
Reset the cable modem to factory default settings........................20
Use the reset button on the back panel..........................................21
Use the factory reset software button..............................................21
Chapter 3 Troubleshooting
Use LEDs to troubleshoot..................................................................23
Cannot log in to the cable modem..................................................24
Troubleshoot the cable internet connection..................................25
Chapter 4 Supplemental Information
Factory settings...................................................................................27
Technical specifications.....................................................................28
3
Unpack your cable modem
Your package contains the following items.
1
2
3
Figure 1. Package contents
1. High Speed Cable Modem
2. Ethernet cable
3. Power adapter
User Manual5Hardware Setup
High Speed Cable Modem
Front panel and LEDs
The cable modem provides status LEDs on the front.
Power LED
Downstream LED
Upstream LED
Online LED
Ethernet LED
Figure 2. Front panel
You can use the LEDs to verify status and connections. The following table lists and
describes each LED on the cable modem.
User Manual6Hardware Setup
High Speed Cable Modem
Table 1. LED descriptions
DescriptionIconLED
•
Solid green. Power is supplied to the cable modem.
•
Off. No power is supplied to the cable modem.
•
Solid red. The cable modem is too warm and might overheat. For
more information about this condition, see Use LEDs to troubleshoot
on page 23.
Power
•
Solid amber. One downstream channel is locked.
•
Solid green. Two or more downstream channels are locked.
•
Blinking green. The cable modem is scanning for a downstream
channel.
•
Off. No downstream channel is locked.
Downstream
•
Solid amber. One upstream channel is locked.
•
Solid green. Two or more upstream channels are locked.
•
Blinking green. The cable modem is scanning for an upstream
channel.
•
Off. No upstream channel is locked.
Upstream
•
Solid green. The cable modem is online.
•
Blinking green. The cable modem is synchronizing with the cable
provider’s cable modem termination system (CMTS).
•
Off. The cable modem is offline.
Online
•
Solid green. A powered-on device is connected to the LAN port at
1000 Mbps.
•
Solid amber. A powered-on device is connected to the LAN port at
10 Mbps or 100 Mbps.
•
Off. No device is connected to the LAN port.
•
Blinking green or amber. The LAN port is processing traffic.
Ethernet
Rear panel
The connections and button on the rear panel are shown in the following figure.
User Manual7Hardware Setup
High Speed Cable Modem
Reset button
Ethernet port
Coaxial cable port
Power On/O button
DC power connector
Figure 3. Rear panel
Viewed from top to bottom, the back panel contains the following components:
•
Reset button. Pressing the Reset button resets the cable modem. If the Reset button
is pressed for at least seven seconds, the Power LED blinks green and the cable
modem returns to its factory settings.
•
Ethernet port. For installation and activation, connect a computer to the Ethernet
port. After you install the cable modem and activate your Internet service, you can
disconnect the computer and connect a router to this port.
•
Coaxial cable port. Connect the cable port to a cable wall outlet.
•
Power On/Off button. Press the Power On/Off button to provide power to the
cable modem.
•
DC power connector. Connect the power adapter that came in the product package
to the DC power connector.
User Manual8Hardware Setup
High Speed Cable Modem
Label
The cable modem label shows the login information, MAC address, and serial number.
Figure 4. Cable modem label
System requirements
You need the following to install your cable modem:
•
Compatible operating system:
- Windows 10
- Windows 8
- Windows 7
- Windows Vista
- Windows XP
- Windows 2000
- Mac OS
- Other operating systems running a TCP/IP network
•
Compatible web browser:
-
Microsoft Internet Explorer 5.0 or later
-
Firefox 2.0 or later
-
Safari 1.4 or later
- Google Chrome 11.0 or later
•
Cable broadband Internet service
User Manual9Hardware Setup
High Speed Cable Modem
Install and activate your Cable Modem
The cable modem provides a connection between your cable Internet provider’s network
and your computer, router, or WiFi router.
Connect your cable modem to a computer
During installation, connect a computer to an Ethernet port on the cable modem. After
you install the cable modem and activate your Internet service, you can disconnect the
computer and connect a router to the cable modem.
Figure 5. Connect your cable modem to a computer
To connect your cable modem directly to a computer:
1.
Turn off and disconnect existing modems and routers.
If you are replacing a modem that is currently connected in your home, unplug the
modem and plug the new cable modem into the same outlet.
2. Connect a coaxial cable.
Use a coaxial cable to connect the cable port on the cable modem to a cable wall
outlet. Make sure that the cable is tightly connected.
Note: If Comcast XFINITY is your cable Internet provider, Comcast XFINITY
recommends connecting your cable modem directly to a cable wall outlet.
3. Connect the power adapter to the cable modem and plug the power adapter into
an electrical outlet.
When the startup is complete, the Power LED lights green. If the Power LED does
not light, press the Power On/Off button.
4.
Wait for the cable modem to come online.
User Manual10Hardware Setup
High Speed Cable Modem
The cable modem comes online when the Online LED stops blinking and lights solid
green.
This process might take up to 10 minutes.
5. Connect a computer to the cable modem.
Use the Ethernet cable that is provided in the package to connect a computer to the
Ethernet port on the cable modem.
6. Activate your Internet service.
For information about how to activate your Internet service, see Before you activate
your Internet service on page 11.
Note: After you install and activate the cable modem, you can disconnect the
computer and connect a router to the cable modem. For more information, see
Connect your cable modem to a router after installation and activation on page 14.
Before you activate your Internet service
Before you activate your Internet service, gather the following information:
•
Your cable Internet provider account information
•
Cable modem model number, which is CM1000v2
•
Cable modem serial number, which is on the cable modem label
•
Cable modem MAC address, which is on the cable modem label
Figure 6. Example of a cable modem label
The following is contact information for cable Internet providers that support your cable
modem.
User Manual11Hardware Setup
High Speed Cable Modem
Table 2. Cable Internet provider contact information
Contact InformationCable
Internet
Provider
https://www.cableone.net/
1-877-MY-CABLE (1-877-692-2253).
Cablevision
https://www.cox.com/activate
1-888-556-1193
Cox
https://support.mediacomcable.com/
1-855-Mediacom (1-855-633-4226)
Mediacom
https://install.optimum.com/JointInstall/
1-877-810-6750
Optimum
https://activate.spectrum.net/
1-833-267-6094
Spectrum
https://register.xfinity.com/
https://www.xfinity.com/support/articles/activate-purchased-modem
1-800-XFINITY (1-800-934-6489)
For more information, see Activate your Internet service with
XFINITY on page 13.
XFINITY
Note: Your cable Internet provider’s contact information might change. You can find
the contact information in your monthly Internet service billing statement.
Activate your Internet service (except with XFINITY)
To activate your Internet service (except with XFINITY):
1.
Visit your cable Internet provider’s website and follow the onscreen instructions to
activate your Internet service.
2.
If you are unable to activate your Internet service using the instructions on your cable
Internet provider’s website, call your cable Internet provider for support.
3. To determine the accurate Internet speed, visit your cable Internet provider's speed
test website and perform a speed test. .
If your actual speed is lower than your subscribed speed, contact your cable Internet
provider.
User Manual12Hardware Setup
High Speed Cable Modem
Activate your Internet service with XFINITY
Set up Internet service by using XFINITY’s self-activation process. If you are unable to
self-activate your cable modem, call XFINITY customer service. After you complete the
setup, perform a speed test.
Before you start the self-activation process, make sure to collect your account number,
account phone number, and login information (your email address or user name and
password).
To activate your Internet connection with XFINITY’s self-activation process:
1. Close all web browsers.
2. Launch a web browser.
You are redirected to the XFINITY self-activation page. If you are not redirected to
the XFINITY self-activation page, visit https://register.xfinity.com/.
3.
Provide your XFINITY credentials and complete the self-activation process.
This process might take up to 15 minutes, during which the cable modem reboots
a few times.
4.
If you are unable to activate your cable modem using the XFINITY self-activation
process, call XFINITY customer service at 1-800-XFINITY (1-800-934-6489) and do
the following:
a.
When asked, provide your account information and provide the cable modem’s
model number and MAC address, which are on the product label on the cable
modem.
For more information, see Label on page 9.
b.
Wait for XFINITY to confirm that your cable modem is active.
•
If the cable modem is not visible, XFINITY can give you instructions to verify
why the cable modem does not connect with your high-speed Internet service.
•
If the cable modem is visible to XFINITY, reboot the cable modem. Check
your online status again.
Perform a speed test
To determine the accurate Internet speed, visit the speed test website of your cable
Internet provider and perform a speed test.
If your actual speed is lower than your subscribed speed, contact your cable Internet
provider.
User Manual13Hardware Setup
High Speed Cable Modem
Connect your cable modem to a router after installation
and activation
After you install the cable modem and activate your Internet service, you can disconnect
the computer and connect a router to the cable modem.
Figure 7. Connect the cable modem to a router
To connect your cable modem to a router after installation and activation:
1.
Reboot the cable modem by unplugging the power cable from the cable modem
and plugging it back in.
Wait for the Online LED to stop blinking and light solid green.
2. Use an Ethernet cable to connect the Ethernet port on the cable modem to the WAN
or Internet port on the router.
3. Power on the router.
4. Wait until the router is ready.
5. Connect a computer to the router.
For more information about how to set up your router, see the documentation that
came with your router.
User Manual14Hardware Setup
High Speed Cable Modem
2
Manage Your Network
After you set up the cable modem, you do not need to log in to the cable modem for
normal operation. However, you can log in to the cable modem to change a very limited
number of settings and monitor the cable modem.
This chapter includes the following sections:
• Log in to the cable modem
• Change the admin password
• View cable modem initialization
• View cable modem status
• View and clear event logs
• Specify the cable connection starting frequency
• Reboot the cable modem
• Reset the cable modem to factory default settings
15
Log in to the cable modem
To log in to the cable modem:
1. Connect a computer to your cable modem.
You can connect a computer to your cable modem using the following methods:
•
Connect a computer to your cable modem using an Ethernet connection.
•
Connect a WiFi router to your cable modem using an Ethernet connection, and
then connect a computer to your router using a WiFi or Ethernet connection.
2. Launch a web browser.
3.
Enter http://192.168.100.1.
A login window opens.
4. Enter the admin user name and password.
The user name is admin. The default password is password. The user name and
password are case-sensitive.
The BASIC Home page displays.
Change the admin password
You can change the default password that is used to log in to the cable modem with
the admin user name.
Note: Be sure to change the password for the user name admin to a secure password.
The ideal password contains no dictionary words from any language and contains
uppercase and lowercase letters, numbers, and symbols. It must be at least 6 and up
to 32 characters.
To set the password for the user name admin:
1.
Launch a web browser from a computer that is connected to your cable modem.
2.
Enter or http://192.168.100.1.
A login window opens.
3. Enter the admin user name and password.
The user name is admin. The default password is password. The user name and
password are case-sensitive.
The BASIC Home page displays.
User Manual16Manage Your Network
High Speed Cable Modem
4. Select ADVANCED > Administration > Set Password.
The Set Password page displays.
5. Type the old password, and type the new password twice.
6. Click the Apply button.
Your settings are saved.
View cable modem initialization
You can track the initialization procedure of the cable modem and get details about
the downstream and upstream cable channel. The time is displayed after the cable
modem is initialized.
The cable modem automatically goes through the following steps in the provisioning
process:
1. Scans and locks the downstream frequency and then ranges the upstream channels.
2. Obtains a WAN address for the cable modem.
3. Connects to the Internet.
To view the status of the cable modem initialization:
1.
Launch a web browser from a computer that is connected to your cable modem.
2.
Enter http://192.168.100.1.
A login window opens.
3. Enter the admin user name and password.
The user name is admin. The default password is password. The user name and
password are case-sensitive.
The BASIC Home page displays.
4. Select Cable Connection.
The Cable Connection page displays.
The Startup Procedure section displays the initialization progress. The page also
displays the status of all downstream and upstream channels. (You must scroll down
to view all the channels.) The number of downstream and upstream channels that
are locked depends on the number of channels that your Internet provider uses.
User Manual17Manage Your Network
High Speed Cable Modem
View cable modem status
To view cable modem status and usage information:
1.
Launch a web browser from a computer that is connected to your cable modem.
2.
Enter http://192.168.100.1.
A login window opens.
3. Enter the admin user name and password.
The user name is admin. The default password is password. The user name and
password are case-sensitive.
The BASIC Home page displays.
4. Click the ADVANCED tab.
The ADVANCED Home page displays information about your cable modem.
View and clear event logs
Event logs capture important cable modem events.
To view and clear the event logs:
1.
Launch a web browser from a computer that is connected to your cable modem.
2.
Enter http://192.168.100.1.
A login window opens.
3. Enter the admin user name and password.
The user name is admin. The default password is password. The user name and
password are case-sensitive.
The BASIC Home page displays.
4. Select ADVANCED > Administration > Event Log.
The Event Log page displays the following information:
•
Time. The time the event was recorded.
•
Priority. The severity for this event.
•
Description. A description of this event.
5.
To refresh the page, click the Refresh button.
6. To clear the log entries, click the Clear Log button.
User Manual18Manage Your Network
High Speed Cable Modem
Specify the cable connection starting
frequency
The starting frequency is automatically generated. For most Internet connections, you
do not need to specify this information. If you must enter a starting frequency, contact
your Internet provider.
To change the starting frequency:
1.
Launch a web browser from a computer that is connected to your cable modem.
2.
Enter http://192.168.100.1.
A login window opens.
3. Enter the admin user name and password.
The user name is admin. The default password is password. The user name and
password are case-sensitive.
The BASIC Home page displays.
4. Select Cable Connection.
The Cable Connection page displays the status of all downstream and upstream
channels.
5.
In the Starting Frequency field, type a number as instructed by your cable Internet
provider.
6. Click the Apply button.
Your settings are saved.
Reboot the cable modem
Rebooting the cable modem disconnects all network connections to the cable modem’s
local area network (LAN). After the cable modem is finished booting and reestablishes
a connection with the Internet, the devices on your network reconnect to the cable
modem’s LAN.
To reboot the cable modem:
1.
Launch a web browser from a computer that is connected to your cable modem.
2.
Enter http://192.168.100.1.
A login window opens.
User Manual19Manage Your Network
High Speed Cable Modem
3. Enter the admin user name and password.
The user name is admin. The default password is password. The user name and
password are case-sensitive.
The BASIC Home page displays.
4. Click the ADVANCED tab.
The ADVANCED Home page displays.
5. Click the Reboot button.
A confirmation message displays.
6. Click the OK button.
The cable modem reboots.
Reset the cable modem to factory default
settings
To reset the cable modem to factory default settings, you can use either the Reset
button on the back panel of the cable modem or the Factory reset software button.
However, if you changed the default password that you use to access the cable modem
and lost the password, you must use the Reset button on the back panel.
After you reset the cable modem to factory default settings, the password is password.
The LAN IP address is always 192.168.100.1. You cannot change this LAN IP address.
User Manual20Manage Your Network
High Speed Cable Modem
Use the reset button on the back panel
CAUTION: This process erases all settings that you configured in the cable modem.
To reset the cable modem to factory default settings using the Reset button:
1.
On the back of the cable modem, locate the Reset button.
2. Using a straightened paper clip, press and hold the Reset button until the cable
modem reboots itself.
The configuration is reset to factory default settings. This process takes about one
minute.
Use the factory reset software button
CAUTION: This process erases all settings that you configured in the cable modem.
To reset the cable modem to factory default settings using the Factory reset
software button:
1.
Launch a web browser from a computer that is connected to your cable modem.
2.
Enter http://192.168.100.1.
A login window opens.
3. Enter the admin user name and password.
The user name is admin. The default password is password. The user name and
password are case-sensitive.
The BASIC Home page displays.
4. Click the ADVANCED tab.
The ADVANCED Home page displays.
5. Click the Factory reset button.
A confirmation message displays.
6. Click the OK button.
The configuration is reset to factory default settings. When the reset is complete,
the cable modem reboots. This process takes about one minute.
WARNING: To avoid the risk of corrupting the firmware, do not interrupt the reset.
For example, do not close the browser, click a link, or load a new page. Do not turn
off the cable modem.
User Manual21Manage Your Network
High Speed Cable Modem
Use LEDs to troubleshoot
The following table provides help when you are using the LEDs for troubleshooting.
Table 3. Troubleshooting with LEDs
ActionLED Behavior
•
Make sure that the power adapter is securely connected to your cable
modem and a functioning power outlet.
•
Check that you are using the power adapter from NETGEAR for this
product.
•
If the error persists, a hardware problem occurred. Contact technical
support.
All LEDs are off when the cable modem
is plugged in.
•
Reset the configuration of the cable modem to its factory defaults.
•
If the error persists, a hardware problem occurred. Contact technical
support
All LEDs stay on.
•
Make sure that the Ethernet cable connections are secure at the cable
modem and at the computer, router, or WiFi router.
•
Make sure that power is turned on to the connected hub or computer.
•
Be sure that you are using the correct cable.
The Ethernet LED is off for a port with an
Ethernet connection.
•
Make sure that the coaxial cable connections are secure at the cable
modem and at the wall jack.
•
Make sure that your Internet service provider provisioned your cable
Internet service. Your ISP can verify that the signal quality is good
enough for cable modem service.
•
Remove any excessive splitters that you installed on your cable line.
Run a “home run” back to the point where the cable enters your
home.
The Online LED is off and the cable
modem is connected to the cable wall
jack.
User Manual23Troubleshooting
High Speed Cable Modem
Table 3. Troubleshooting with LEDs (Continued)
ActionLED Behavior
The cable modem is too warm and might overheat. Do the following:
1. Disconnect the power adapter.
2. Wait a couple of minutes to let the cable modem cool down.
3. Make sure that the cable modem is placed in a vertical position.
4. Make sure that the cable modem is placed in a location with good
ventilation.
5. Reconnect the power adapter.
The Power LED lights red.
Cannot log in to the cable modem
If you cannot access your cable modem from a computer that is connected to your cable
modem or to a router that is connected your cable modem, check the following:
•
If your computer is connected to your cable modem with an Ethernet cable, check
the connection.
•
Make sure that Java, JavaScript, or ActiveX is enabled in your browser. If you are
using Internet Explorer, click the Refresh button to make sure that the Java applet
is loaded.
•
Try quitting the browser and launching it again.
•
Make sure that you are using the correct login information. Your cable modem user
name admin is lowercase (Caps Lock is off).
•
Make sure that your computer’s IP address is on the same subnet as the cable modem.
The IP address of your computer must be in the range of 192.168.100.2 to
192.168.100.254.
If your cable modem does not save changes you made, do the following:
•
When entering configuration settings, be sure to click the Apply button before
moving to another page, or your changes are lost.
•
Click the Refresh or Reload button in the web browser. It is possible that the changes
occurred, but the web browser is caching the old configuration.
User Manual24Troubleshooting
High Speed Cable Modem
Troubleshoot the cable internet connection
If your cable modem cannot access the Internet but the Online LED lights green, make
sure that the cable MAC address or device MAC address of your cable modem is
registered with Internet service provider (see Activate your Internet service (except with
XFINITY) on page 12 or Activate your Internet service with XFINITY on page 13).
User Manual25Troubleshooting
High Speed Cable Modem
Factory settings
The following table shows the factory default settings for the cable modem.
Table 4. Factory default settings
Default SettingFeature
http://192.168.100.1User login URLCable modem login
adminUser name (case-sensitive)
passwordLogin password (case-sensitive)
Use default hardware addressWAN MAC addressInternet connection
AutoSensingPort speed
User Manual27Supplemental Information
High Speed Cable Modem
Technical specifications
The following table lists the technical specifications for the cable modem.
Table 5. Technical specifications
SpecificationFeature
•
Input: 110–120V, 47–60 Hz
•
Output: 12 VDC, 1.5 A
Power adapter
•
Dimensions: 8.8 in x 3.5 in x 5.9 in (223.5
mm x 88.9 mm x 150 mm)
•
Weight: 0.95 lb (431 g)
Physical specifications
•
Operating temperature: 32° to 104°F
(0° to 40°C)
•
Operating humidity: 90% maximum
relative humidity, noncondensing
Environmental
•
Local: One 10/100/1000 RJ-45 Gigabit
Ethernet port
•
Internet: Coaxial cable connector
DOCSIS 3.1; backward-compatible with
DOCSIS 3.0
Interface
•
2 OFDM and 32 SC-QAM bonded
downstream
•
2 OFDMA and 8 SC-QAM bonded
upstream
Channels
FCC/ULCertifications
User Manual28Supplemental Information
High Speed Cable Modem
