Datasheet Linksys CM3008 8x4 Cable Modem DS DOCSIS 3.0 LNKPG 00326 Rev. A00

2018-04-27

: Linksys Ds Cm3008 Docsis 3.0 Cablemodem Lnkpg-00326 Rev. A00 DS_CM3008_DOCSIS_3.0_CableModem_LNKPG-00326 Rev. A00 datasheet s

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CM3008
8 x 4 CABLE MODEM

INTERNET

MODEM
Converts data
to Ethernet

Wi-Fi ROUTER
Connects to modem,
the hub of your
Wi-Fi connections

Certified By Leading Cable Providers

CHARTER
Invest in a better Internet.
Say goodbye to monthly rental fees—own your cable modem and get the
Internet you deserve. Compatible with all major providers, the CM3008
delivers maximum Wi-Fi speeds from existing ISP plans up to 100 Mbps*.
Get the most out of your existing cable broadband connection and
upgrade to stable, high-speed connectivity—ideal for streaming and
surfing from eight download and four upload bonded channels.

Key Features and Benefits
• Ideal for Internet plans up to 100 Mbps*:
Stable, high-speed connectivity ideal for streaming and web browsing
• Compatible with all major cable providers:
Eliminate monthly modem rental fees with Comcast Xfinity, Time Warner,
Cox, and Charter
• Optimize your existing Internet connectivity:
Eight download and four upload bonded channels
• Easy plug-and-play setup:
Three simple steps to faster speeds and maximum savings
• Features high-performance Intel® Puma 5™ chipset:
Achieve high-speed downstream and upstream performance
• Certified for DOCSIS 3.0 cable Internet standard:
Able to handle high-bandwidth transfer rates over existing cable lines
with speeds up to 343 Mbps†

CM3008
8 x 4 CABLE MODEM

1.

POWER

INTERNET

CABLE

PACKAGE INCLUDES
• Linksys 8x4 Cable Modem, CM3008
• Ethernet Cable
• Power Adapter
• Quick Start Guide

SPECIFICATIONS
Protocol Support
• DOCSIS 1.1/2.0/3.0
• SNMP v1, v2C, v3
• DHCP, TFTP and ToD clients (IPv4/IPv6)
Connectivity
• RF F-type female 75Ω connector
• RJ-45 Ethernet port 10/100/1000 Mbps
(Auto-MDI/MDIX)
Management
• Web-based GUI control configuration and management
• Dual-color LEDs clearly display network status and activity
• Power on self-diagnostic
• MIB II/MCNS MIB
• Proprietary MIBs for extended support

2.

Plug modem into a
power source.

Connect coaxial cable
between modem and wall jack.

3.

Connect Ethernet cable between
your Wi-Fi router and modem.

SYSTEM REQUIREMENTS
• Requires an existing cable account. If you don’t have an existing
cable account, contact your local cable provider to sign up for
broadband Internet service.
• Modem will not work with DSL service.
• User Documentation is also available at:
www.linksys.com/support

CM3008
8 x 4 CABLE MODEM

Reception-Demodulation
• Demodulation: 64QAM, 256QAM
• Data Rate: Up to 343 Mbps with 8 bonded downstream channels (DOCSIS)
• Frequency (edge-to-edge): 88 ~ 1002 MHz (DOCSIS)
• Channel Bandwidth: 6 MHz (DOCSIS)
• Signal Level: -15 dBmV to 15 dBmV
• Input return loss: >6dB
Transmitter-Modulation
• Modulation: QPSK, 8QAM, 16QAM, 32QAM, 64QAM, and 128QAM (SCDMA only)
• Data rate up to 122 Mbps with 4 upstream channel bonding
• Frequency: 5 ~ 42 MHz (DOCSIS)
• Output return loss: >6dB
Mechanical
• 5 status LEDs (Power, DS, US, Status, LAN)
• Factory default reset button
• Dimensions: 110mm(W) x 70mm(D) x 25mm(H)
• Weight: 100g ± 10g
Environmental
• Power Input DC: DC 12V/1A
• Operating Temperature: 32°F (0°C) to 104°F (40°C)
• Operating Humidity: 10% ~ 90% (Non- condensing)
• Storage Temperature: -40°F (-40°C) to 176°F (80°C)
Compliance Certificates
• RoHS Compliant
• FCC, UL

Specifications are subject to change without notice. An active, customer-purchased Internet service provider broadband account is required for connection of this cable
modem and other connected computers and devices to the Internet. Some devices may require additional wireless adapters or an Ethernet cable to connect to this modem.
* 100 Mbps represents the maximum throughput you can achieve with the Internet plan provided by your cable service provider. Actual throughput will be lower than 100 Mbps,
as this throughput is dependent on your contract with your cable service provider.
† 343 Mbps based on DOCSIS 3.0 throughput. Maximum speed varies depending on the service provided by the cable operator. IPv6 availability is dependent upon your ISP or
service provider providing IPv6 capability.
Speed references are provided, marketed, and sold by your broadband service provider and not Linksys. Actual performance may vary, including lower network speed
and data throughput rate. Performance depends upon many factors, conditions and variables, including products used, number of users accessing the Internet, type
of traffic generated by each user (interactive browsing versus video streaming), interference, and other adverse conditions. Actual data throughput will be lower than
indicated and may depend on the mix of products used and external factors.

Part Number

Description

CM3008

8x4 Cable Modem

Compatible with Windows 7,
Windows 8, and Windows 10

linksys.com
© 2016 Belkin International, Inc. and/or its affiliates. All rights reserved.
Linksys
121 Theory, Irvine, CA 92617 USA
Made in China
Belkin, Linksys, and many product names and logos are trademarks of the Belkin group of companies. Third-party trademarks mentioned are the property of their respective owners. Intel Inside and the Intel Inside logo are
trademarks of Intel Corporation in the U.S. and/or other countries. Windows and the Windows logo are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Mac
and the Mac logo are trademarks of Apple Inc., registered in the U.S. and other countries. 16PB010

LNKPG-00326 Rev. A00



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