Voice Cable Modem
User Manual
Model CM500V
September 2017
202-11792-01
350 E. Plumeria Drive
San Jose, CA 95134
USA
Voice Cable Modem
Support
Thank you for purchasing this NETGEAR product.
You can visit www.netgear.com/support to register your product, get help, access the latest do wnloads and user
manuals, and join our community.We recommend that you use only official 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 supply.
2
Contents
Chapter 1 Hardware Setup
Unpack Your Cable Modem....................................................................................5
Front Panel and LEDs............................................................................................6
Rear Panel.............................................................................................................8
Label......................................................................................................................9
System Requirements............................................................................................9
Install and Activate Your Cable Modem................................................................10
Activate Your Internet Service With Comcast XFINITY...................................10
Connect Your Cable Modem to a Computer....................................................11
Perfor m a Speed Test......................................................................................12
Connect Your Cable Modem to a Router After Installation and Activation.......12
Chapter 2 Monitor Voice Telephone Lines
Connect a Telephone Line...................................................................................15
View Voice Status.................................................................................................15
View the MTA Call List.........................................................................................16
View the EMTA Event Log....................................................................................16
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...................................................................................20
View and Clear Event Logs..................................................................................21
Specify the Cable Connection Starting Frequency..............................................21
Reboot the Cable Modem....................................................................................22
Reset the Cable Modem to Factory Default Settings...........................................22
Use the Reset Button on the Back Panel.............................................................23
Use the Factory Reset Software Button...............................................................23
Chapter 4 Troubleshooting
Use LEDs to Troubleshoot...................................................................................26
Cannot Log In to the Cable Modem.....................................................................27
Troubleshoot the Cable Internet Connection........................................................28
Troubleshoot Voice Connectivity..........................................................................28
Chapter 5 Technical Specifications
Technical Specifications.......................................................................................30
3
Hardware Setup
This chapter covers the following topics:
• Unpack Your Cable Modem
• Front Panel and LEDs
• Rear Panel
• Label
• System Requirements
• Install and Activate Your Cable Modem
For more information about the topics cov ered in this manual, visit the support website at support.netgear.com.
An uninterruptible power supply (UPS) can be purchased separately f or continued service
Note
during power outages. For a list of supported UPS models, visit
netgear.com/support/product/CM500V.
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Voice Cable Modem
Unpack Your Cable Modem
Your package contains the following items.
Figure 1. Package contents
1. High Speed Cable Modem (Model CM500V)
2. Phone cable
3. Ethernet cable
4. Power adapter
Hardware Setup
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Voice Cable Modem
Front Panel and LEDs
The cable modem provides status LEDs on the front.
Figure 2. Front panel
You can use the LEDs to verify status and connections.The following table lists and describes each LED
on the cable modem.
Table 1. LED descriptions
DescriptionIconLED
Power
• 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 w arm and might overheat.
For more information about this condition, see Use LEDs to
Troubleshoot on page 26.
Downstream
• Solid amber. One downstream channel is locked.
• Solid green.Two or more downstream channels are locked.
• Blinking amber.The cable modem is scanning for a
downstream channel.
• Blinking green. The cable modem is in partial service mode.
• Off. No downstream channel is locked.
Hardware Setup
6
Table 1. LED descriptions (Continued)
Upstream
Internet
Voice Cable Modem
• Solid amber. One 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.
• Off. No upstream channel is locked.
• Solid green.The cable modem is online.
• Blinking green.The cable modem is synchronizing with the
cable provider’s cable modem termination system (CMTS).
• Off.The cable modem is offline.
Hardware Setup
7
Table 1. LED descriptions (Continued)
Ethernet
Tel 1 and 2
Voice Cable Modem
• Green. A powered-on device is connected to the Ethernet
port at 1000 Mbps.
• Amber. A powered-on device is connected to the Ethernet
port at 10 Mbps or 100 Mbps.
• Off. No device is connected to the Ethernet port.
• Blinking green or amber.The Ethernet port is processing
traffic.
• 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.
Rear Panel
The connections and button on the rear panel are shown in the following figure.
Figure 3. Rear panel
Viewed from top to bottom, the back panel contains the following components:
Hardware Setup
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Voice Cable Modem
• Power On/Off button. Press the Power On/Off button to provide power to the cable modem.
• DC power connector. Connect the power adapter that came in the product package to the DC power
connector.
• 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
• Ethernet port. F or installation and activation, connect a computer to this port. After you install the cab le
modem and activate your Internet service, you can disconnect the computer and connect a router to
this port.
• Reset button. Pressing the Reset button resets the cable modem. If the Reset button is pressed for
at least seven seconds , the P ower LED blinks g reen and the cable modem returns to its factory settings.
• Coaxial cable port. Connect the cable port to a cable wall outlet.
Label
The cable modem label shows the login information, MAC address, and serial number.
Figure 4. Cable modem label
System Requirements
You need the following to install your cable modem:
• Compatible operating system:
- Windows 7
- Windows 8
- Windows 10
- Windows Vista
- Windows XP
- Windows 2000
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Voice Cable Modem
- Mac OS
- Other operating systems running a TCP/IP network
• Compatible web browser:
- Microsoft Internet Explorer 5.0 or later
- Firefox 2.0 or later
- Safari 1.4 or later
- Google Chrome 11.0 or later
• XFINITY cable broadband Internet service
An uninterruptible power supply (UPS) can be purchased separately f or continued service
Note
during power outages. For a list of supported UPS models, visit
netgear.com/support/product/CM500V.
Install and Activate Your Cable Modem
The cable modem provides a connection between your cab le Internet provider’s netw ork and your computer,
router, or WiFi router.
Activate Your Internet Service With Comcast XFINITY
To activate your Internet service, call Comcast XFINITY customer service at either of the following phone
numbers:
• 1-855-OK-BEGIN (1-855-652-3446)
• 1-800-XFINITY (1-800-934-6489)
Before you call Comcast, collect the following information:
• XFINITY account number
• The phone number associated with your XFINITY account
• XFINITY login information (your email address or user name and password)
• Modem model number, which is CM500V
• Modem serial number
• Modem MAC address
• Modem MTA MAC address
Your cable modem’s serial number and MAC address are on the cable modem label.
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Voice Cable Modem
Figure 5. Label
Connect Your Cable Modem to a Computer
After you install the cable modem and activate your Internet service, you can disconnect the computer and
connect a router to the cable modem.
Figure 6. Connect the cable modem to a computer
To connect your cable modem directly to a computer:
1. Use a coaxial cable that is provided by Comcast XFINITY to connect the cab le port on the cable modem
to a cable wall outlet.
Make sure that the cable is tightly connected.
2. (Optional) If you use XFINITY Voice, connect your phone to the Tel 1 port on the cable modem with
phone cable.
For more information, see Connect a Telephone Line on page 15.
The Tel 2 port works only for a two-phone-line subscription.Note
3. Connect the power adapter to the cable modem and plug the power adapter into an electrical outlet.
When the startup is complete, the Power LED lights green. If the Power LED does not light, press the
Power On/Off button.
4. Wait for the cable modem to come online.
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Voice Cable Modem
The cable modem comes online when the Internet LED stops blinking and lights solid green.
This process might take up to 10 minutes.
5. Connect a computer to the cable modem.
Use the Ethernet cable that is provided in the package to connect a computer to the Ethernet port on
the cable modem.
6. Call Comcast XFINITY to activate your Internet service.
For information about how to activate your Internet service, see Activate Your Internet Service With
Comcast XFINITY on page 10.
After you install and activate the cable modem, y ou can disconnect the computer and
Note
connect a router to the cable modem. For more information, see Connect Your Cable
Modem to a Router After Installation and Activation on page 12.
7. Dial a number to place a test call.
To make calls, you need a voice service subscription with Comcast XFINITY.Note
Perform a Speed Test
To determine the accurate Internet speed, visit speedtest.xfinity.com/ and perform a speed test.
If your actual speed is lower than your subscribed speed, contact XFINITY.
Connect Your Cable Modem to a Router After Installation and Activation
After you install the cable modem and activate your Internet service, you can disconnect the computer and
connect a router to the cable modem.
Figure 7. Connect the cable modem to a router
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Voice Cable Modem
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 modem and plugging it back
in.
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 WAN or Internet port on
the router.
3. Power on the router.
4. Wait until the router is ready.
5. Connect a computer to the router.
For more information about how to set up y our router, see the documentation that came with y our router .
Hardware Setup
13
Monitor Voice Telephone Lines
This chapter includes the following sections:
• Connect a Telephone Line
• View Voice Status
• View the MTA Call List
• View the EMTA Event Log
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Voice Cable Modem
Connect a Telephone Line
If you use XFINITY Voice, you can connect your phone to the cable modem with phone cable.
Figure 8. Connect a telephone line
To connect a telephone line:
1. Connect one end of the phone cable to the Tel 1 port on the rear panel of the cable modem.
The Tel 2 port works only for a two-phone-line subscription.Note
2. Connect the other end of the phone cable to the telephone.
3. Call Comcast XFINITY customer service at 1-800-XFINITY (1-800-934-6489) and ask them to register
the phone lines.
After the voice line is registered, you can hear a dial tone when the phone is off-hook.
View Voice Status
The cable modem functions as a multimedia terminal adaptor (MTA), allowing the cable modem to provide
voice services.You can view some basic MTA voice information.
To view the MTA voice status:
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. 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.
Monitor Voice Telephone Lines
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Voice Cable Modem
The BASIC Home page displays.
4. Select Voice.
The Voice Status page displays the following information:
• MTA Provision Status.This is the current MTA provision state.
• MTA MAC Address.This is the MAC address of the MTA interface.
• MTA Telephony Line 1 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) call list for your cable modem.You can also view the
codec used for the last call and some of the previous calls.
To view or refresh the MTA call list:
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. 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 MTA Call List.
The MTA Call List page displays.
5. To see the most recent entries, click the Refresh button.
View the EMTA Event Log
You can view the embedded multimedia terminal adapter (EMTA) event log for your cable modem.
To view the EMTA event log:
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. Enter http://192.168.100.1.
Monitor Voice Telephone Lines
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Voice Cable Modem
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 button.
Monitor Voice Telephone Lines
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Manage Your Network
After you set up the cable modem, you do not need to log in to the cab le modem f or normal operation. Ho we v er,
you can log in to the cable modem to change a very limited number of settings and monitor the cable modem.
This chapter includes the following sections:
• 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
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Voice Cable Modem
Log In to the Cable Modem
To log in to the cable modem:
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. 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.
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 f or the user name admin to a secure pass w ord.The
Note
ideal password contains no dictionary words from any language and contains
uppercase and lowercase letters, numbers, and symbols . It can be up to 30 characters.
To set the password for the user name admin:
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. Enter or 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 > Administration > Set Password.
The Set Password page displays.
5. Type the old password, and type the new password twice.
6. Click the Apply button.
Your settings are saved.
Manage Your Network
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Voice Cable Modem
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 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. 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 Cable Connection.
The Cable Connection page displays.
The Startup Procedure section displays the initialization progress.The page also displays the status of
all downstream and upstream channels. (You must scroll down to view all the channels.) The number
of downstream and upstream channels that are locked depends on the number of channels that your
Internet provider uses.
View Cable Modem Status
To view cable modem status and usage information:
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. 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. Click the ADVANCED tab.
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Voice Cable Modem
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 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. 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 > Administration > Event Log.
The Event Log page displays the following information:
• Time.The time the event was recorded.
• Priority.The severity for this event.
• Description. A description of this event.
5. To refresh the page, click the Refresh button.
6. To clear the log entries, click the Clear Log button.
Specify the Cable Connection Starting Frequency
The starting frequency is automatically generated. For most Internet connections, y ou do not need to specify
this information. If you must enter a starting frequency, contact your Internet provider.
To change the starting frequency:
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. 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.
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Voice Cable Modem
4. Select Cable Connection.
The Cable Connection page displays the status 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.
Reboot the Cable Modem
Rebooting the cable modem disconnects all network connections to the cable modem’s local area network
(LAN). After the cable modem is finished booting and reestablishes a connection with the Internet, the
devices on your network 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 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. 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 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 either the Reset b utton on the bac k panel
of the cable modem or the Factory reset software button. However, if you changed the default password
that you use to access the cable modem and lost the pass word, y ou must use the Reset b utton on the back
panel.
After you reset the cable modem to f actory default settings, the pass word is passw ord.The LAN IP address
is always 192.168.100.1.You cannot change this LAN IP address.
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Voice Cable Modem
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 using the Reset button:
1. On the back of the cable modem, locate the Reset button.
2. Using a straightened paper clip, press and hold the Reset button until the Upstream and Downstream
LEDs light amber.
3. Release the Reset 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, if y ou are connected to the web management interface, do not c lose
the browser , click a link, or load a new pa ge. 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.
T o reset the cable modem to factory default settings using the Factory reset software button:
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. 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 ADVACNED Home page displays.
5. Click the Factory reset button.
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Voice Cable Modem
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.
Manage Your Network
24
Troubleshooting
This chapter provides information to help you diagnose and solve problems you might experience with your
cable modem. If y ou do not find the solution here , check the NETGEAR support site at support.netgear.com for
product and contact information.
The chapter contains the following sections:
• Use LEDs to Troubleshoot
• Cannot Log In to the Cable Modem
• Troubleshoot the Cable Internet Connection
• Troubleshoot Voice Connectivity
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Voice Cable Modem
Use LEDs to Troubleshoot
The following table provides help when you are using the LEDs for troubleshooting.
Table 2.Troubleshooting with LEDs
ActionLED Behavior
All LEDs are off when the cable modem is plugged in.
• Make sure that the power cord is properly connected
to your cable modem and that the power supply
adapter is properly connected to a functioning power
outlet.
• Make sure that you are using the 12 VDC , 1.5A power
adapter from NETGEAR for this product.
• If the error persists, a hardware problem occurred.
Contact Technical Support.
All LEDs stay on.
• Reset the configuration of the cable modem to its
factory defaults.
• If the error persists, a hardware problem occurred.
Contact Technical Support.
The Ethernet LED is off for a port with an Ethernet
connection.
• Make sure that the Ethernet cable connections are
secure at the cable modem and at the computer,
router, or WiFi router.
• Make sure that power is turned on to the connected
hub or computer.
• Be sure that you are using the correct cable.
Troubleshooting
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Voice Cable Modem
Table 2.Troubleshooting with LEDs (Continued)
ActionLED Behavior
The Internet LED is off and the cable modem is connected
to the cable wall jack.
• Make sure that the coaxial cable connections are
• Make sure that your Internet service provider
• Remove any excessive splitters that you installed on
secure at the cable modem and at the wall jack.
provisioned your cable Internet service.Your ISP can
verify that the signal quality is good enough for cable
modem service.
your cable line.
The Power LED lights red.
The cable modem is too warm and might overheat. Do the
following:
1. Disconnect the power adapter.
2. Wait a fe w minutes to let the cab le modem cool down.
3. Make sure that the cable modem is placed in a vertical
position.
4. Make sure that the cable modem is placed in a location
with good ventilation.
5. Reconnect the power adapter.
Cannot Log In to the Cable Modem
If you cannot access the cable modem from computer that is connected to the cable modem or to a router
that is connected the cable modem, check the following:
• If your computer is connected to the cable modem with an Ethernet cable, check the connection.
• Make sure that your computer’ s IP address is on the same subnet as the cab le modem.The IP address
of your computer must be in the range of 192.168.100.2 to 192.168.100.254.
• Make sure that Jav a, Ja vaScript, or ActiveX is enab led in your browser . If you are using Internet Explorer ,
click the Refresh button to make sure that the Java applet is loaded.
• Try quitting the browser and launching it again.
• Make sure that you are using the correct login information.The cable modem user name admin is
lowercase (Caps Lock is off).
If the cable modem does not save changes you made, do the following:
• When entering configuration settings, be sure to click the Apply button before moving to another page,
or your changes are lost.
• Click the Refresh or Reload button in the web browser.The changes occurred, but the web browser
might be caching the old configuration.
Troubleshooting
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Voice Cable Modem
Troubleshoot the Cable Internet Connection
When your cable modem cannot access the Internet and your Internet LED is on, register the cable MAC
address or device MAC address of your cable modem with your cable Internet provider.
Additionally, make sure that the cable modem is specified as the TCP/IP gate w ay for your computer. If your
computer obtains its information from the cable modem by DHCP, reboot the computer and verify the gatewa y
address. For more information, see Install and Activate Your Cable Modem on page 10.
Troubleshoot Voice Connectivity
The following table includes tips for troubleshooting voice connectivity.
Table 3. Quick tips for troubleshooting voice connectivity
Possible SolutionProblem
No dial tone
• If you use a cordless phone, make sure that the base of
your phone is turned on and receiving power and that
the cordless phone battery is not low.
• Make sure 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 ringing for incoming calls
No caller ID name
• Make sure that call forwarding is not enabled.
• If you use a cordless phone, make sure that the ringer
is not turned off.
It is possible that the calling party blocked caller ID. If this is
true, you might be able to program your phone to recognize
an incoming number and associate a name with that number.
Troubleshooting
28
Technical Specifications
This appendix covers the cable modem's technical specifications.
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Voice Cable Modem
Technical Specifications
The following table lists the technical specifications for the cable modem.
Table 4.Technical specifications
SpecificationFeature
Power adapter
• Input: 110–120V, 47–60 Hz
• Output: 12 VDC, 1.5A
Physical specifications
• Dimensions (W x D x H): 2.5 x 4.9 x 7.6 in. (64 x 124 x 193
mm)
• Weight: 0.65 lb (0.30 kg)
Environmental
• Operating temperature: 32° to 104°F (0° to 40°C)
• Operating humidity: 90% maximum relative humidity,
noncondensing
Interface
Memory
Channels
Certifications
• Local: One 10/100/1000 RJ-45 Gigabit Ethernet port
• Voice:Two bridged RJ-11 phone ports
• Internet: Coaxial cable connector, DOCSIS 3.0; backward
compatible with DOCSIS 2.0
• 8 MB Flash
• 128 MB RAM
• 16 bonded downstream
• 4 bonded upstream
CableLabs certified for U.S. cable Internet services
Technical Specifications
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