Netgear Cm600 High Speed Cable Modem User Manual

Hardware and Internet Setup 
11  High Speed Cable Modem
Before you start the self-activation process, make sure that your account number, account 
phone number, and login information (your email address or user name and password) are 
nearby.
To activate your Internet connection with Comcast XFINITY’s self-activation process:
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...

Hardware and Internet Setup 12
High Speed Cable Modem 
Connect Your Cable Modem to a Router After Installation 
and Activation
During the installation and activation, you must connect the cable modem\
 directly to a 
computer. After installation and activation, you can connect the cable modem to a \
router.
Router 
Cable modem
Coaxial cable to
Ethernet cable
Power adapter
Computer connected
   to the router over
   WiFi or Ethernet
   cable outlet
Figure 6. Connect the cable modem to a router

To...

13
2
2.   Manage and Monitor
After you set up the cable modem, you do not need to log in to the cable modem for normal 
operation. However, you can log in to the cable modem to change a very limited number of 
settings and monitor the cable modem. In the unlikely situation that you experience problems 
with the cable connection and cannot get an Internet connection, technical support might ask 
you to log in to the router.
This chapter contains the following sections:
•Log In to the Cable Modem
•View...

Manage and Monitor 
14 High Speed Cable Modem 
Log In to the Cable Modem
After you set up the cable modem, you do not need to log in to the cable modem for normal 
operation.
To log in to the cable modem, you must use a web browser such as Microsoft Internet 
Explorer 5.0 or later, Firefox Mozilla 2.0 or later, Safari 1.4 or later, or Google Chrome 11.0 or 
later.
To log in to the cable modem:
1. Launch a web browser from a computer that is attached with an Ethernet cable to the 
cable modem or from a...

Manage and Monitor 15
 High Speed Cable Modem
4. 
Select  Cable Connection.
The Startup Procedure section displays the initialization progress. The Downstream 
Bonded Channels section displays the status of each downstream channel..\
5.  T
o see the Upstream Bonded Channels section and system time, scroll down.\
View Cable Modem Status
You can view some basic information about the cable modem.
To view cable modem status:
1.  Launch a web browser from a computer that is attached over an Ethernet c\...

Manage and Monitor 16
High Speed Cable Modem 
The BASIC Home page displays.
4.  Select  ADV
 ANCED. 
The Cable Information page displays the following:
• Hardware V
 ersion. The version of the cable modem model.
• Firmware Version. 
The version of the cable modem firmware.
• Cable Modem Serial Number . 
 The serial number of the cable modem.
• CM Certificate. 
 The status of the cable modem certificate. If Not installed displays as \
the status, contact your cable Internet provider.
• CM MAC. 
 The MAC...

Manage and Monitor 17
 High Speed Cable Modem
The Event Log page shows the following information:
• T
ime. The time the event log entry was recorded.
The correct time displays only after the cable modem successfully connec\
ts to the cable Internet provider
 ’s network.
• Priority . 
 The severity of the event log entry.
• Description. 
 A description of the event log entry.
5.  T
o refresh the log page, click the Refresh button.
6. T
o clear the log entries, click the  Clear Log button.
Change the admin...

Manage and Monitor 18
High Speed Cable Modem 
The BASIC Home page displays.
4.  Select  ADV
 ANCED > Administration > Set Password .
5. Type the old password.
6.  T
ype the new password in the  Set Password field.
7.  T
ype the new password in the  Repeat New Password field.
8.  Click the  Apply button.
Your change takes effect.
Reboot the Cable Modem
Rebooting the cable modem disconnects all computers from the cable modem\
’s local area 
network (LAN). After the cable modem is finished booting and...

Manage and Monitor 19
 High Speed Cable Modem
Reset the Cable Modem to Factory Default Settings
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 default password to access the cable modem and lost the pass\
word, you must 
use the Reset button on the back panel.
After you reset the cable modem to factory default settings, the user na\
me is admin, the...

Manage and Monitor 
20 High Speed Cable Modem 
WARNING:
To avoid the risk of corrupting the firmware, do not interrupt the 
reset. For example, if you are connected to the web management 
interface, do not close the browser, click a link, or load a new page. 
Do not turn off the cable modem.
Use the Factory Reset Software Button
CAUTION:
This process erases all settings that you configured in the cable modem.
To erase the settings:
1. Launch a web browser from a computer that is attached over an...