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User Manual
Nighthawk®Multi-GigSpeedCableModem
Model CM2000
|
NETGEAR, Inc. |
January 23, 2020 |
350 E. Plumeria Drive |
|
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, accessthelatestdownloadsandusermanuals,andjoinourcommunity.Werecommend 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
Forregulatorycomplianceinformation,visithttps://www.netgear.com/about/regulatory/. See the regulatory compliance document before connecting the power supply.
Note to CATV system InstallerThis reminder is provided to call the CATV systems installer's attention to Section 820-93 of the National Electrical Code which provide guidelinesforpropergroundingandinparticular,specifythatCoaxialcableshieldshall connected to the grounding system of the building, as close to the point of cable entry as practical
2
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 |
3
1
Hardware Setup
This chapter covers the following topics:
•Front Panel and LEDs
•Rear Panel
•Label
•System Requirements
•Install and Activate Your Cable Modem
Formoreinformationaboutthetopicscoveredinthismanual,visitthesupportwebsite at support.netgear.com.
4
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.
Hardware Setup |
5 |
User Manual |
Nighthawk CM2000 2.5 Gbps Ultra-High Speed Cable Modem
Table 1. LED descriptions
LED |
Icon |
Description |
|
Power |
|
• |
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 |
|
|
|
moreinformationaboutthiscondition,see UseLEDstoTroubleshoot |
|
|
|
on page 21. |
Downstream |
|
• |
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. |
Upstream |
|
• |
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. |
Internet |
|
• |
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.
Hardware Setup |
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User Manual |
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:
•Resetbutton.PressingtheReset buttonresetsthecablemodem.IftheReset 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.
•DCpowerconnector.Connectthepoweradapterthatcameintheproductpackage to the DC power connector.
Hardware Setup |
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User Manual |
Nighthawk CM2000 2.5 Gbps Ultra-High Speed Cable Modem
Label
Thecablemodemlabelshowsthelogininformation,MACaddress,andserialnumber.
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
Hardware Setup |
8 |
User Manual |
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