NETGEAR Nighthawk CM2050V User Manual

Contents
Chapter 1 Hardware Setup
Front Panel and LEDs...........................................................................6
Rear Panel..............................................................................................9
Label.....................................................................................................10
System Requirements........................................................................10
Install and Activate Your Cable Modem..........................................11
Set Up the Hardware.....................................................................11
Activate Your Internet Service With Xfinity.................................13
Perform a Speed Test....................................................................13
Connect Your Cable Modem to a Router After Installation and
Activation........................................................................................14
Chapter 2 Monitor Voice Telephone Lines
View Voice Status................................................................................16
View the MTA Call List........................................................................16
View the EMTA Event Log.................................................................17
Chapter 3 Manage Your Network
Log in to the cable modem...............................................................19
Change the admin password............................................................19
View cable modem initialization.......................................................20
View cable modem status..................................................................21
View and clear event logs..................................................................21
Specify the cable connection starting frequency...........................22
Reboot the cable modem..................................................................22
Reset the cable modem to factory default settings........................23
Use the reset button on the back panel..........................................24
Use the factory reset software button..............................................24
Chapter 4 Troubleshooting
Use the LEDs to Troubleshoot..........................................................26
Cannot log in to the cable modem..................................................27
Troubleshoot the Cable Internet Connection.................................28
Troubleshoot Voice Connectivity.....................................................28
3

NETGEAR Nighthawk CM2050V Specifications

General

Modem (RJ-11) ports	2
Ethernet LAN (RJ-45) ports	1
Cables included	AC, LAN (RJ-45), Phone (RJ-11)
Quick start guide	Yes
Product color	Black

Weight and Dimensions

Depth	172 mm
Width	94 mm
Height	208 mm
Weight	493 g