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 
www.comcast.com/activate.
3. Provide your XFINITY credentials and complete the self-activation process.
This process might take up to 15 minutes, during which the cable modem reboots a 
couple of times.
4. If you are unable to activate your cable modem using the XFINITY self-activation process, 
call Comcast XFINITY customer service at 1-800-XFINITY (1-800-934-6489).
a.When asked, provide your account information and provide the cable modem’s model 
number and MAC address, which are on the product label on the cable modem. 
For more information, see Product Label on page 6.
b. Wait for Comcast XFINITY to confirm that your cable modem is active.
c. If you do not get an Internet connection with the cable modem, ask Comcast 
XFINITY to look for your cable modem online, and do one of the following depending 
on what Comcast XFINITY tells you about your cable modem:
•If the cable modem is not visible, Comcast XFINITY can give you instructions to 
verify why the cable modem does not connect with your high-speed Internet 
service.
•If the cable modem is visible to Comcast XFINITY, reboot the cable modem. 
Check your online status again.
Perform a Speed Test
To determine the accurate Internet speed, visit the speed test website of your cable Internet 
provider and perform a speed test.
If your actual speed is lower than your subscribed speed, contact your cable Internet 
provider. 
						

							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 connect your cable modem to a router after installation and activation\
:
1.  Reboot the cable modem by unplugging the power cable from the cable mode\
m and 
plugging it back in.
Note: Do not disconnect the cable modem from the cable outlet.
When the startup procedure is completed, the Power LED lights green 
.
Wait for the Internet LED to stop blinking and light solid green  
.
2.  Use an Ethernet cable to connect the Ethernet port on the cable modem to\
 the W
 AN or 
Internet port on the router.
3.  Power on the router
 .
Wait until the router is ready.
4.  Connect a computer to the router over a WiFi connection or through an Et\
hernet cable to a 
LAN port on the router

.  
						

							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 Cable Modem Initialization
•View Cable Modem Status
•View and Clear Event Logs
•Change the admin Password
•Reboot the Cable Modem
•Reset the Cable Modem to Factory Default Settings
•Change the Cable Connection Starting Frequency 
						

							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 computer that is connected to a WiFi router that is attached with an 
Ethernet cable to the cable modem.
2. Type http://192.168.100.1.
A login window opens.
3. Enter the cable modem 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.
View Cable Modem Initialization
You can track 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 IP address for the cable modem.
3. Connects to the Internet.
To view the status of the cable modem initialization:
1. Launch a web browser from a computer that is attached over an Ethernet cable to the 
cable modem or from a computer that is connected to a WiFi router that is attached over an 
Ethernet cable to the cable modem.
2. Type http://192.168.100.1.
A login window opens.
3. Enter the cable modem 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. 
						

							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\
able to the 
cable modem or from a computer that is connected to a WiFi router that i\
s attached over an 
Ethernet cable t

o the  cable modem.
2.  T
ype  http://192.168.100.1 .
A login window opens.
3.  Enter the cable modem  user name and password.
The user name is  admin. 
 The default password is password. The user name and 
password are case-sensitive. 
						

							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 address of the cable modem.
For information about using the Reboot button, see  Reboot the Cable Modem on page 18.
For information about using the Factory reset  button, see Reset the Cable Modem to 
Factory Default Settings on page  19.
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 attached over an Ethernet c\
able to the 
cable modem or from a computer that is connected to a WiFi router that i\
s attached over an 
Ethernet cable t

o the  cable modem.
2.  T
ype  http://192.168.100.1.
A login window opens.
3.  Enter the  cable modem  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  ADV
 ANCED > Administration > Event Log.  
						

							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 Password
You can change the default password that is used to log in to the cable m\
odem with the user 
name admin.
To change the password for the user name admin:
1.  Launch a web browser from a computer that is attached over an Ethernet c\
able to the 
cable modem or from a computer that is connected to a WiFi router that i\
s attached over an 
Ethernet cable t

o the  cable modem.
2.  T
ype  http://192.168.100.1 .
A login window opens.
3.  Enter the cable modem  user name and password.
The user name is  admin. 
 The default password is password. The user name and 
password are case-sensitive. 
						

							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 reestablishes a connection\
 
with the cable Internet provider’s network, the devices reconnect to the cable modem’s LAN.
To reboot the cable modem:
1.  Launch a web browser from a computer that is attached over an Ethernet c\
able to the 
cable modem or from a computer that is connected to a WiFi router that i\
s attached over an 
Ethernet cable t

o the  cable modem.
2.  T
ype  http://192.168.100.1.
A login window opens.
3.  Enter the  cable modem  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  ADV
 ANCED.
The ADVANCED Home page displays the Cable Information pane.
5.  Click the  Reboot button.
A confirmation message displays.
6.  Click the  OK button.
The cable modem reboots. 
						

							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  password is password. 
 The LAN IP address is always 192.168.100.1. You cannot change 
this LAN IP address.
Use the Reset Button on the Back Panel
CAUTION:
This process erases all settings that you configured in the cable modem.\
To reset the cable modem to factory default settings:
1.  Power on the cable modem.
2.  On the back of the cable modem, locate the  Reset button.
Reset button
3. Using a straightened paper clip, press and hold the  Reset button for about seven seconds 
until all LEDs blink.
4.  Release the Reset  button.
The configuration is reset to factory default settings. When the reset i\
s complete, the  cable modem reboots. 
 This process takes about one minute. 
						

							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 Ethernet cable to the 
cable modem or from a computer that is connected to a WiFi router that is attached over an 
Ethernet cable to the cable modem.
2. Type http://192.168.100.1.
A login window opens.
3. Enter the cable modem 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 the Cable Information pane.
5. Click the Factory reset button.
A confirmation message displays.
6. Click the OK button.
The configuration is reset to factory default settings. When the reset is complete, the 
cable modem reboots. This process takes about one minute.
WARNING:
To avoid the risk of corrupting the firmware, do not interrupt the 
reset. For example, do not close the browser, click a link, or load a 
new page. Do not turn off the cable modem.