NETGEAR CM2000 User Manual
User Manual
Nighthawk® Multi-Gig Speed Cable Modem
Model CM2000
NETGEAR, Inc.
350 E. Plumeria DriveJanuary 23, 2020
San Jose, CA 95134, USA
Nighthawk CM2000 2.5 Gbps Ultra-High Speed Cable Modem
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 provide
guidelines for proper grounding and in particular, specify that Coaxial cableshield shall
connected to the grounding system of the building, as close to the point of cable entry
as practical
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Contents
Chapter 1 Hardware Setup
Front Panel and LEDs...........................................................................5
Rear Panel..............................................................................................6
Label.......................................................................................................8
System Requirements...........................................................................8
Install and Activate Your Cable Modem............................................9
Connect Your Cable Modem to a Computer...............................9
Activate Your Internet Service......................................................10
Perform a Speed Test....................................................................11
Connect Your Cable Modem to a Router After Installation and
Activation........................................................................................11
Chapter 2 Manage Your Network
Log in to the cable modem...............................................................14
Change the admin password............................................................14
View cable modem initialization.......................................................15
View cable modem status..................................................................16
View and clear event logs..................................................................16
Specify the cable connection starting frequency...........................17
Reboot the cable modem..................................................................17
Reset the cable modem to factory default settings........................18
Use the reset button on the back panel..........................................19
Use the factory reset software button..............................................19
Chapter 3 Troubleshooting
Use LEDs to Troubleshoot.................................................................21
Cannot log in to the cable modem..................................................22
Troubleshoot the cable internet connection..................................23
Chapter 4 Supplemental Information
Factory Settings..................................................................................25
Technical Specifications.....................................................................25
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1
Hardware Setup
This chapter covers the following topics:
• Front Panel and LEDs
• Rear Panel
• Label
• System Requirements
• Install and Activate Your Cable Modem
For more information about the topics covered in this manual, visit the support website
at support.netgear.com.
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Nighthawk CM2000 2.5 Gbps Ultra-High Speed Cable Modem
Front Panel and LEDs
The cable modem provides status LEDs on the front.
Figure 1. 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 Manual5Hardware Setup
Nighthawk CM2000 2.5 Gbps Ultra-High Speed Cable Modem
Table 1. LED descriptions
DescriptionIconLED
Power
Downstream
Upstream
Internet
Solid white. 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 21.
Solid amber. One downstream channel is locked.
•
Solid white. Two or more downstream channels are locked.
•
Blinking white. The cable modem is scanning for a downstream
•
channel.
Off. No downstream channel is locked.
•
Solid amber. One upstream channel is locked.
•
Solid white. Two or more upstream channels are locked.
•
Blinking white. The cable modem is scanning for an upstream
•
channel.
Off. No upstream channel is locked.
•
Solid white. The cable modem is online.
•
Blinking white. The cable modem is synchronizing with the cable
•
provider’s cable modem termination system (CMTS).
Off. The cable modem is offline.
•
2.4 GHz radio
Solid white. The 2.4 GHz WiFi radio is operating.
•
Blinking. The router is sending or receiving WiFi traffic.
•
Off. The 2.4 GHz WiFi radio is off.
•
Rear Panel
The connections and button on the rear panel are shown in the following figure.
User Manual6Hardware Setup
Nighthawk CM2000 2.5 Gbps Ultra-High Speed Cable Modem
Figure 2. 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 white and the cable
modem returns to its factory settings.
Coaxial cable port. Connect the cable port to a cable wall outlet.
•
DC power connector. Connect the power adapter that came in the product package
•
to the DC power connector.
User Manual7Hardware Setup
Nighthawk CM2000 2.5 Gbps Ultra-High Speed Cable Modem
Label
The cable modem label shows the login information, MAC address, and serial number.
Figure 3. 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 Manual8Hardware Setup
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