Netgear Cm1000 Ultra High Speed Cable Modem Docsis 3 1 Ready User Manual

350 East Plumeria Drive
San Jose, CA 95134 
USASeptember 2016
202-11620-02
High Speed Cable Modem
Model CM1000
User Manual 

 
2 High Speed 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 downloads and user manuals, and join our community. We recommend that you use only official NETGEAR 
support resources.
Conformity
For the current EU Declaration of Conformity, visit http://kb.netgear.com/app/answers/detail/a_id/11621.
Compliance
For regulatory compliance information, visit http://www.netgear.com/about/regulatory....

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Contents
Chapter 1 Hardware and Internet Setup
Unpack Your Cable Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Product Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
Back Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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1
1.   Hardware and Internet Setup
The NETGEAR High Speed Cable Modem provides a connection to high-speed cable Internet 
with speeds up to 1 Gbps.1 The cable modem is certified by all major cable Internet providers. A 
Gigabit Ethernet port provides fast access and downloads. The cable modem supports the 
assignment of IPv4 and IPv6 addresses by cable Internet providers.
This chapter covers the following topics:
•Unpack Your Cable Modem
•Front Panel
•Product Label
•Back Panel
•Install and Activate...

Hardware and Internet Setup 5
 High Speed Cable Modem
Unpack Your Cable Modem
Your package contains the following items.
Ethernet cable
Power adapter
Cable modem
Figure 1. Package contents
Front Panel
The  cable modem  provides status LEDs on the front.
Power LED
Downstream LED
Upstream LED
Internet LED
Ethernet LED
Figure 2. Cable modem front view 

Hardware and Internet Setup 6
High Speed Cable Modem 
You can use the LEDs to verify status and connections. The following table lists and 
describes each LED on the front panel of the cable modem.
Table 1.  LED descriptions  
LEDIconDescription
Power
•  Green. Power is supplied to the cable modem.
•  Off. No power is supplied to the cable modem.
•  Red. 
The cable modem is too warm and might overheat. For more information 
about this condition, see  Use LEDs to Troubleshoot on page  23.
Downstream
•...

Hardware and Internet Setup 7
 High Speed Cable Modem
Back Panel
The back panel provides the connections and button shown the following f\
igure.
Power adapter input
LAN Gigabit Ethernet port
Coaxial cable connector
Reset button
Power On/Off button
Figure 4. Cable modem back panel 

Hardware and Internet Setup 8
High Speed Cable Modem 
Install and Activate Your Cable Modem
The cable modem provides a connection between your cable Internet provid\
er’s network and 
your computer, router, or WiFi router. 
Install Your Cable Modem and Connect It to a Computer
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 (see 
Connect Your Cable Modem to a Router After...

Hardware and Internet Setup 
9  High Speed Cable Modem
When the startup procedure is completed, the Power LED lights green.
4. Wait for the cable modem to come online.
It takes at least 10 minutes for the cable modem to come online on the network. During 
this time, the LED behavior is as follows:
•The Downstream LED lights amber when one downstream channel is locked.
•The Downstream LED lights green when more than one downstream channel is 
locked.
•The Upstream LED lights amber when one upstream...

Hardware and Internet Setup 10
High Speed Cable Modem 
4. 
If you are unable to activate your cable modem using the XFINITY self-ac\
tivation 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 mode\
m. 
For more information, see Product Label on page  6.
b.  W
ait for Comcast XFINITY to confirm that your cable modem...