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Nighthawk ® Multi-Gig 2.5Gbps Cable Modem for Xfinity Voice
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Table Of Contents
Contents
1. Hardware Setup
Front Panel and LEDs
Rear Panel
Label
System Requirements
Install and Activate Your Cable Modem
Set Up the Hardware
Activate Your Internet Service With Xfinity
Perform a Speed Test
Connect Your Cable Modem to a Router After Installation and Activation
2. Monitor Voice Telephone Lines
View Voice Status
View the MTA Call List
View the EMTA Event Log
3. Manage Your Network
Log in to the cable modem
Change the admin password
View cable modem initialization
View cable modem status
View and clear event logs
Specify the cable connection starting frequency
Reboot the cable modem
Reset the cable modem to factory default settings
Use the reset button on the back panel
Use the factory reset software button
4. Troubleshooting
Use the LEDs to Troubleshoot
Cannot log in to the cable modem
Troubleshoot the Cable Internet Connection
Troubleshoot Voice Connectivity
5. Supplemental Information
Factory Settings
Technical Specifications
Use
the
LEDs
to
Troubleshoot
The
following
table
provides
help
when
you
are
using
your
cable
modem's
LEDs
for
troubleshooting.
User
Manual
26
Troubleshooting
Nighthawk
CM2050V
2.5
Gbps
Ultra-High
Speed
Cable
Telephony
Modem
1
...
...
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25
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27
28
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