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4

Troubleshooting

This chapter provides information about troubleshooting your cable modem.

The chapter includes the following sections:

Use the LEDs to Troubleshoot

Cannot Log In to the Cable Modem

Troubleshoot the Cable Internet Connection

Troubleshoot Voice Connectivity

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Summary of Contents for CM1150V

Page 1: ...Voice Cable Modem User Manual Model CM1150V July 2018 202 11879 01 350 E Plumeria Drive San Jose CA 95134 USA ...

Page 2: ...fficial 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 For regulatory compliance information visit http www netgear com about regulatory See the regulatory compliance document before connecting the power...

Page 3: ...Chapter 3 Manage Your Network Log In to the Cable Modem 18 View Cable Modem Initialization 18 View Cable Modem Status 19 View and Clear Event Logs 19 Specify the Cable Connection Starting Frequency 20 Change the admin Password 20 Reboot the Cable Modem 21 Reset the Cable Modem to Factory Default Settings 21 Use the Reset Button on the Back Panel 22 Use the Factory Reset Software Button 22 Chapter ...

Page 4: ...s Install and Activate Your 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 CM1150V Note 4 ...

Page 5: ...k Your Cable Modem Your package contains the following items Figure 1 Package contents 1 High Speed Cable Modem Model CM1150V 2 Phone cable 3 Ethernet cable 4 Power adapter Hardware Setup 5 Voice Cable Modem ...

Page 6: ...ists and describes each LED on the cable modem Table 1 LED descriptions Description Icon LED 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 the LEDs to Troubleshoot on page 24 Power Hardware Setup 6 Voice Cable Modem ...

Page 7: ...upstream channel is locked Solid green Two or more upstream channels are locked Blinking amber The cable modem is scanning for an upstream channel Blinking green The cable modem is in partial service mode or the cable modem is in partial service mode Off No upstream channel is locked Upstream Solid green The cable modem is online Blinking green The cable modem is synchronizing with the cable provi...

Page 8: ...ted to the Ethernet port Blinking green or amber The Ethernet port is processing traffic Ethernet Solid green The Tel 1 or 2 port is online Blinking green The Tel 1 or 2 port is processing a call or the phone is off hook Off The Tel 1 or 2 port is not in use Tel 1 and 2 Rear Panel The connections and button on the rear panel are shown in the following figure Figure 3 Rear panel Hardware Setup 8 Vo...

Page 9: ... 2 3 and 4 For more information about Ethernet ports 2 3 and 4 visit netgear com support product CM1150V Note Tel 1 and 2 ports Connect your phone line to the Tel 1 port The Tel 2 port works only for a two phone line subscription Note 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 your cable modem DC power conn...

Page 10: ...service 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 CM1150V Note Install and Activate Your Cable Modem The cable modem provides a connection between your cable Internet provider s network and your computer router or WiFi router Set Up the Hardware Figure 5 Connect you...

Page 11: ... the startup is complete the Power LED lights green If the Power LED does not light press the Power On Off button If the Power LED does not light make sure that the Power On Off button is in the On position 6 Wait for the Online LED to light solid green This process might take up to 10 minutes When the Online LED lights your cable modem is not connected to the Internet yet You must activate your c...

Page 12: ...ne lines Note To activate your Xfinity Internet service 1 Close all web browsers 2 Launch a web browser You are redirected to the Xfinity self activation page If you are not redirected to the Xfinity self activation page visit xfinity com activate 3 Provide your Xfinity credentials and complete the self activation process This process might take up to 10 minutes during which the cable modem reboot...

Page 13: ... activation 1 Reboot your cable modem by unplugging the power cable from the cable modem and plugging it back in Wait for the Online LED to stop blinking and light solid green 2 Use an Ethernet cable to connect the Ethernet port on your cable modem to the WAN or Internet port on the router 3 Power on your router 4 Wait until your router is ready 5 Connect a computer to your router For more informa...

Page 14: ...2 Monitor Voice Telephone Lines This chapter includes the following sections View Voice Status View the MTA Call List View the EMTA Event Log 14 ...

Page 15: ...and Line 2 Status These are the hook states of line 1 and line 2 MTA Line 1 and Line 2 HD Audio Status These are the MTA HD audio states of line 1 and line 2 during codec negotiation If the lines are enabled it means that each line is capable of using the G 722 codec 5 To refresh the Voice Status page click the Refresh button View the MTA Call List You can view the multimedia terminal adapter MTA ...

Page 16: ...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 password is password The user name and password are case sensitive The BASIC Home page displays 4 Select ADVANCED EMTA Event Log The MTA Event Log page displays the EMTA event log 5 To refresh the page click the Refresh bu...

Page 17: ...ange a very limited number of settings and monitor the cable modem This chapter includes the following sections Log In to the Cable Modem View Cable Modem Initialization View Cable Modem Status View and Clear Event Logs Specify the Cable Connection Starting Frequency Change the admin Password Reboot the Cable Modem Reset the Cable Modem to Factory Default Settings 17 ...

Page 18: ...rack the initialization procedure of the cable modem and get details about the downstream and upstream cable channel The time is displayed after the cable modem is initialized The cable modem automatically goes through the following steps in the provisioning process 1 Scans and locks the downstream frequency and then ranges the upstream channels 2 Obtains a WAN address for the cable modem 3 Connec...

Page 19: ...user name and password are case sensitive The BASIC Home page displays 4 Click the ADVANCED tab The ADVANCED Home page displays information about your cable modem View and Clear Event Logs Event logs capture important cable modem events 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 Ent...

Page 20: ...tus of all downstream and upstream channels 5 In the Starting Frequency field type a number as instructed by your cable Internet provider 6 Click the Apply button Your settings are saved 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 Be sure to change the password for the user name admin to a secure password The idea...

Page 21: ... The user name is admin The default password is password The user name and password are case sensitive The BASIC Home page displays 4 Select ADVANCED The ADVANCED Home page displays 5 Click the Reboot button A confirmation message displays 6 Click the OK button The cable modem reboots Reset the Cable Modem to Factory Default Settings To reset the cable modem to factory default settings you can use...

Page 22: ... Factory reset software button 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 The user name is admin The default password is password The user name and password are case sensitive The BASIC Home page displays 4 Select ADVANCED The ADVANCED Home page displays 5 Click the Factory re...

Page 23: ...des information about troubleshooting your cable modem The chapter includes the following sections Use the LEDs to Troubleshoot Cannot Log In to the Cable Modem Troubleshoot the Cable Internet Connection Troubleshoot Voice Connectivity 23 ...

Page 24: ...this product If the error persists a hardware problem occurred Contact Technical Support All LEDs are off when the cable modem is plugged in Reset the configuration of the cable modem to its factory defaults If the error persists a hardware problem occurred Contact Technical Support All LEDs stay on Make sure that the Ethernet cable connections are secure at the cable modem and at the computer rou...

Page 25: ...from a computer that is connected to your cable modem or to a router that is connected your cable modem check the following If your computer is connected to your cable modem with an Ethernet cable check the connection Make sure that your computer s 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 Make sure ...

Page 26: ...that the base of your phone is turned on and receiving power and that the cordless phone battery is not low Check that the phone cable connections are secure at the cable modem and at base of your phone and that the cable modem is turned on and receiving power No dial tone Check that call forwarding is not enabled If you use a cordless phone check that the ringer is not turned off No ringing for i...

Page 27: ...5 Supplemental Information This appendix covers the following topics Factory Settings Technical Specifications 27 ...

Page 28: ...ical specifications for the cable modem Table 5 Technical specifications Specification Feature Input 110 120V 47 60 Hz Output 12 VDC 2 5A Power adapter Dimensions W x D x H 6 1 x 3 4 x 10 3 in 155 x 87 x 261 mm Weight 1 33 lb 603 g Physical specifications Operating temperature 32 to 104 F 0 to 40 C Operating humidity 90 maximum relative humidity noncondensing Environmental Local Four 10 100 1000 R...

Page 29: ...Technical specifications Continued 32 bonded downstream 2 OFDM 8 bonded upstream 2 OFDMA Channels CableLabs certified for U S cable Internet services Certifications Supplemental Information 29 Voice Cable Modem ...

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