NETGEAR Nighthawk CM1200 Bedienungsanleitung
User Manual
Nighthawk Multi-Gig Speed Cable Modem
Model CM1200
NETGEAR, Inc.
350 E. Plumeria DriveDecember 2018 San Jose, CA 95134, USA202-11964-01
Support
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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 cable shield shall
connected to the grounding system of the building, as close to the point of cable entry
as practical
2
Nighthawk Multi-Gig Speed Cable Modem
Contents
Chapter 1 Hardware Setup
Unpack Your Cable Modem................................................................6
Front Panel and LEDs...........................................................................7
Rear Panel..............................................................................................8
Label.....................................................................................................10
System Requirements........................................................................10
Install and Activate Your Cable Modem..........................................11
Connect Your Cable Modem to a Computer.............................11
Activate Your Internet Service......................................................12
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
Ethernet Port Aggregation................................................................19
Set Up Ethernet Port Aggregation...............................................20
View the Ethernet Port Aggregation Status................................20
Change the Ethernet Port Aggregation Configuration Mode..21
Reboot the Cable Modem.................................................................21
Reset the Cable Modem to Factory Default Settings.....................22
Use the Reset Button on the Back Panel..........................................23
Use the Factory Reset Software Button............................................23
Chapter 3 Troubleshooting
Use LEDs to Troubleshoot.................................................................25
Cannot Log In to the Cable Modem................................................26
Troubleshoot the Cable Internet Connection.................................27
Chapter 4 Supplemental Information
Factory Settings..................................................................................29
3
Unpack Your Cable Modem
Your package contains the following items.
1
Figure 1. Package contents
1. High Speed Cable Modem
2. Ethernet cable
3. Power adapter
User Manual6Hardware Setup
Nighthawk Multi-Gig Speed Cable Modem
Front Panel and LEDs
The cable modem provides status LEDs on the front.
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 Manual7Hardware Setup
Nighthawk Multi-Gig 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 25.
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.
Internet
•Green. A powered-on device is connected to the LAN port at 1000
Mbps.
•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.
LAN 1, 2, 3, and 4
Rear Panel
User Manual8Hardware Setup
Nighthawk Multi-Gig Speed Cable Modem
The connections and button on the rear panel are shown in the following figure.
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.
•LAN ports. For installation and activation, connect a computer to the LAN 1 port.
After you install the cable modem and activate your Internet service, you can
disconnect the computer and connect a router to this port. You can use the LAN 2
port to set up Ethernet port aggregation. For more information, see Ethernet Port
Aggregation on page 19.
•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 Manual9Hardware Setup
Nighthawk Multi-Gig 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 Manual10Hardware Setup
Nighthawk Multi-Gig Speed Cable Modem
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