NETGEAR CM1100 Bedienungsanleitung
Nighthawk Multi-Gig Speed
Cable Modem
User Manual
Model CM1100
August 2018
202-11884-01
350 E. Plumeria Drive
San Jose, CA 95134
USA
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.
2
Nighthawk Multi-Gig Speed Cable Modem
Contents
Chapter 1 Hardware Setup
UnpackYour Cable Modem....................................................................................5
Front Panel and LEDs............................................................................................6
Rear Panel.............................................................................................................8
Label......................................................................................................................9
System Requirements............................................................................................9
Install and ActivateYour Cable Modem................................................................10
ConnectYour Cable Modem to a Computer....................................................10
Activate Your Internet Service.........................................................................11
Perform a Speed Test......................................................................................12
ConnectYour Cable Modem to a Router After Installation and Activation.......12
Chapter 2 ManageYour Network
Log In to the Cable Modem..................................................................................15
Change the admin Password...............................................................................15
View Cable Modem Initialization..........................................................................16
View Cable Modem Status...................................................................................16
View and Clear Event Logs..................................................................................17
Specify the Cable Connection Starting Frequency..............................................17
Ethernet Port Aggregation...................................................................................18
Set Up Ethernet Port Aggregation...................................................................18
View the Ethernet Port Aggregation Status.....................................................18
Change the Ethernet Port Aggregation Configuration Mode...........................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 3Troubleshooting
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.......................................................................................27
3
1
Hardware Setup
This chapter covers the following topics:
•UnpackYour Cable Modem
•Front Panel and LEDs
•Rear Panel
•Label
•System Requirements
•Install and ActivateYour Cable Modem
For more information about the topics covered in this manual, visit the support website at support.netgear.com.
An uninterruptible power supply (UPS) can be purchased separately for continued service
during power outages. For a list of supported UPS models, visit
netgear.com/support/product/CM1100.
Note
4
UnpackYour Cable Modem
Your package contains the following items.
Figure 1. Package contents
1. High Speed Cable Modem (Model CM1100)
2. Ethernet cable
3. Power adapter
Hardware Setup
5
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.
Hardware Setup
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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 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.Thecablemodemis scanning foran 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
Hardware Setup
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Nighthawk Multi-Gig Speed Cable Modem
Table 1. LED descriptions (Continued)
DescriptionIconLED
•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
•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 2
Rear Panel
The connections and button on the rear panel are shown in the following figure.
Hardware Setup
8
Nighthawk Multi-Gig Speed Cable Modem
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 1 and 2 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 18.
•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.
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
Hardware Setup
9
Nighthawk Multi-Gig Speed Cable Modem
-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
Install and ActivateYour Cable Modem
The cable modem provides a connection between your cable Internet provider’s network and your computer,
router, or WiFi router.
ConnectYour Cable Modem to a Computer
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.
Hardware Setup
10
Nighthawk Multi-Gig Speed Cable Modem
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