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Zoom Telephonics 5341J Cable Modem / Mfr. no.: 5341-00-00J

Zoom Telephonics 5341J Cable Modem  / Mfr. no.: 5341-00-00J
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Item Number: zoo-53410000j
Vendor Number: 5341-00-00J
Vendor: Zoom Telephonics
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The Zoom Model 5341J cable modem meets the cable industry's DOCSIS 3.0 standard for speeds up to 343 Mbps, and also works with lower-speed DOCSIS 2.0 and 1.1 services. And with IPv4 and IPv6 networking support, this is a product designed and built for use today and for years to come. The Model 5341J has been tested and certified by CableLabs® to work with nearly all U.S. cable service providers. Additonal testing and approvals have been obtained from Comcast, Cox, Time Warner Cable, Cable ONE and other cable services. The fast 10/100/1000 Mbps Ethernet port connects to your Windows or Macintosh computer, router, wireless access point, HomePlug adapter, or other Ethernet-enabled device The Model 5341J can also be plugged into routers and routers with wireless capability for sharing of your high-speed service with multiple devices. With its easy installation, high speed, and broad capability, the Model 5341J is the perfect choice for almost any cable modem user.

General Information

ManufacturerZoom Telephonics, Inc
Manufacturer Part Number5341-00-00J
Manufacturer Website Address
Product Model5341J
Product Name5341J DOCSIS 3.0 Cable Modem
Packaged Quantity1
Package TypeRetail
Product TypeCable Modem

Technical Information



Host InterfaceRJ-45
Network (RJ-45)Yes
Phone Line (RJ-11)No
Number of Network (RJ-45) Ports1

Media & Performance

Broadband Transmission Speed343 Mbit/s

Network & Communication

Ethernet TechnologyGigabit Ethernet
Network Standard10/100/1000Base-T

Power Description

Input Voltage220 V AC

Physical Characteristics

Form FactorDesktop
Weight (Approximate)8.70 oz


Package Contents
  • Cable Modem
  • Modem Stand
  • Power Cube
  • Ethernet Cable
  • Quick Start Flyer
Additional Information
  • Easy Installation
  • Fast data speeds
  • Up to 343 Mbps downstream and 143 Mbps upstream with bonding of up to eight channels on downloads and four channels on uploads
  • Owning your cable modem eliminates modem rental charges Normally about $85 per year. Currently Comcast, Comcast Xfinity, Cox, and other service providers offer significant savings. Time Warner, Mediacom, and Bright House do not offer any savings. Cablevision and Charter require use of a cable modem that they supply
  • To support the very fast DOCSIS 3.0 data transfers and provide compatibility and easy installation with almost any Windows, Macintosh or Linux computer, as well as both wired and wireless routers
  • Supports both IPv4 and IPv6
  • Support for the future of Internet addressing (IPv6) helps keep your cable modem current
  • Five status-reporting LEDs
  • Power, Downstream, Upstream, Status, and Link lights allow easy status monitoring.
  • DOCSIS 3.0 compatible, and compatible with earlier standards
  • Provides support for the latest data-over cable standard DOCSIS 3.0, as well as DOCSIS 1.1 and 2.0 to ensure operation with the fastest available services and compatibility with all US operators. DOCSIS (Data Over Cable Service Interface Specification) is the industry standard for transmission of Internet data over cable-based systems in the US and many other countries. Check with your service provider to ensure they use the DOCSIS standard.
  • Flexible Cable Modem Orientation
  • Horizontal or vertical using the 5341H Modem Stand
Certifications & Standards
  • FCC part 15B
  • US safety (BV)
  • CE
  • CableLabs
System Requirements
  • The cable modem must be connected to a cable modem service that uses any of the DOCSIS standards - 3.0, 2.0, 1.1
  • An available Ethernet port on a Windows, Macintosh, or Linux computer, or an available Ethernet port on a wired or wireless router.
Green CompliantYes
Green Compliance Certificate/AuthorityRoHS
Country of OriginChina


Limited Warranty2 Year