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Troubleshooting

This chapter provides information about troubleshooting your cable modem.

The chapter includes the following sections:

•

Use LEDs to Troubleshoot

•

Cannot log in to the cable modem

•

Troubleshoot the cable internet connection

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Summary of Contents for NIGHTHAWK CM2000

Page 1: ...User Manual Nighthawk 2 5Gbps Multi Gig Speed Cable Modem Model CM2000 NETGEAR Inc 350 E Plumeria Drive May 2020 San Jose CA 95134 USA 202 12065 01...

Page 2: ...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 connect...

Page 3: ...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 mod...

Page 4: ...ers 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...

Page 5: ...tus 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 Manual 5 Hardware Setup Nighth...

Page 6: ...cable modem is scanning for an upstream channel Off No upstream channel is locked Upstream Solid white The cable modem is online Blinking white The cable modem is synchronizing with the cable provide...

Page 7: ...en seconds the Power LED blinks white 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 your c...

Page 8: ...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...

Page 9: ...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 3 Connect the power adapter to the cable modem and...

Page 10: ...number which is on the cable modem label Cable modem MAC address which is on the cable modem label Figure 4 Example of a cable modem label The following is contact information for cable Internet provi...

Page 11: ...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...

Page 12: ...g and light solid white 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 Conne...

Page 13: ...nge 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...

Page 14: ...plays 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...

Page 15: ...t 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 us...

Page 16: ...s 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...

Page 17: ...splays 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 Inter...

Page 18: ...tings 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 defa...

Page 19: ...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 passwor...

Page 20: ...his chapter provides information about troubleshooting your cable modem The chapter includes the following sections Use LEDs to Troubleshoot Cannot log in to the cable modem Troubleshoot the cable int...

Page 21: ...Use LEDs to Troubleshoot The following table provides help when you are using the LEDs for troubleshooting User Manual 21 Troubleshooting Nighthawk CM2000 2 5 Gbps Ultra High Speed Cable Modem...

Page 22: ...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 yo...

Page 23: ...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...

Page 24: ...4 Supplemental Information This appendix covers the following topics Factory Settings Technical Specifications 24...

Page 25: ...dem login admin User name case sensitive Printed on the product label Login password case sensitive Use default hardware address Cable modem MAC address Internet connection AutoSensing Port speed Tech...

Page 26: ...rating humidity 90 maximum relative humidity noncondensing Environmental Local one 2 5 Gbps RJ 45 Gigabit Ethernet port Internet Coaxial cable connector DOCSIS 3 1 backward compatible with DOCSIS 3 0...

Page 27: ...el CM2000 Package contents Cable modem Ethernet cable Power adapter BEFORE RETURNING THIS PRODUCT TO THE STORE FOR ANY REASON call NETGEAR Technical Support at 1 866 534 9377 or visit https kb netgear...

Page 28: ...rt on the cable modem to a cable wall outlet Make sure that the cable is tightly connected We recommend that you connect your cable modem directly to a cable wall outlet If you must share the connecti...

Page 29: ...solid your cable modem is not connected to the Internet yet You must connect a router or computer to your cable modem and then activate your cable modem with your cable Internet provider 5 Connect a r...

Page 30: ...Optimum 1 877 810 6750 Sparklight 1 877 692 2253 Spectrum 1 833 267 6094 QLW Visit KWWS QLW FRP DFWLYDWH and follow the prompts to activate RXU 63 V FRQWDFW LQIRUPDWLRQ PLJKW FKDQJH RX FDQ DOVR QG WKH...

Page 31: ...rk If you are experiencing trouble installing your cable modem contact NETGEAR at 1 866 874 8924 Support The following table lists support contact information for cable Internet providers that support...

Page 32: ...linking white The cable modem is scanning for a upstream channel Off No upstream channel is locked Online Solid white The cable modem is online Blinking white The cable modem is synchronizing with the...

Page 33: ...ready for the fastest cable Internet service plans of today and tomorrow DOCSIS 3 1 delivers the world s fastest cable Internet with speeds that are 10 times faster than DOCSIS 3 0 Save up to 168 per...

Page 34: ...cable modems that deliver up to 2 5Gbps Multi Gigabit Internet Ready for Fastest Speeds Available by Cable Service Providers Built ready for Gigabit and more cable Internet service plans available tod...

Page 35: ...peed to the cloud for critical uploads like security camera feeds and photos Improves stability and reliability of your Internet connection More energy efficient DOCSIS Speeds Speed in Mbps 0 1 000 5...

Page 36: ...ernet Port CM500 CABLE MODEM TECHNOLOGY NETGEAR MODEM SUPPORTED SPEED TIERS DOCSIS 3 1 Multi Gig Internet CM1000 DOCSIS 3 1 Up to 1Gbps CM700 DOCSIS 3 0 32x8 Up to 400Mbps DOCSIS 3 0 16x4 Up to 200Mbp...

Page 37: ...his cable modem does not have a built in wireless router or telephone capability Warranty NETGEAR 1 year limited warranty www netgear com warranty This product comes with a limited warranty that is va...

Page 38: ...for Home The following benefits are included with NETGEAR ProSupport for Home Protect your investment from the hassle of unexpected repairs and expenses Connect with experienced NETGEAR experts who k...

Page 39: ...203 11945 03 NETGEAR Inc NETGEAR and the NETGEAR Logo are trademarks of NETGEAR Inc Any non NETGEAR trademarks are used for reference purposes only...

Page 40: ...R Problem Connecting Call NETGEAR at 1 866 534 9377 or visit https kb netgear com 000061156 How can l troubleshoot my cable modem_ Cable provider requirements change Check with NETGEAR to see if yours...

Page 41: ...TGEAR trademarks are used for reference purposes only NETGEAR Inc 350 East Plumeria Drive San Jose CA 95134 USA III Ill IIIIIIll 111111111111111 203 12060 01 CE NETGEAR INTERNATIONAL LTD Floor 1 Build...

Page 42: ...Contact Us We want you to have the best experience with your new NETGEAR product If you have any questions or concerns we re here to help Call 1 866 534 9377...

Page 43: ...N 0 I 0 N I 0 N...

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