3Com 3CNJ100 manual Setting the Power Over Ethernet Dip Switches

Page 17

Installing the Network Jack

Setting the Power Over Ethernet Dip Switches

If your network switch or power supply supports Power Over Ethernet, you must set the dip switches on the Network Jack to the appropriate setting: Capacitive Power Discovery/24V, Capacitive Power Discovery/48V, or IEEE 802.3af.

NOTE: If you are not using Power Over Ethernet to power the Network Jack, skip this section. Go to “Installing the Adapter Plate and Pass-Through Ports” on page 15 to continue.

WARNING: Before setting the dip switches, make sure that power to the Network Jack is off.

Do not change dip switches 1 and 2 from their factory default settings (OFF). Changing these settings may result in performance degradation.

1On the back of the Network Jack, remove the dip switch cover.

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Contents Installation Guide United States Government Legend Contents World Wide Web Site Installation Guide About the Network Jack Power Over Ethernet Following diagram shows the back view of the Network Jack 48V or Ieee 802.3af the Network Jack uses Before You Begin Direct connection to another Obtaining Optional ComponentsInstalling the Network Jack Installing the Network Jack Using an Integrated Switch with Power Over Ethernet Setting up the Power SupplyNetwork switch Wiring closet To network hub/switch Jack Using a Single-port Ethernet Power Supply Setting the Power Over Ethernet Dip Switches Replace the dip switch cover Installing the Adapter Plate and Pass-Through Ports Installation Guide Planning the Installation Commercial Building Telecommunications Cabling Standard Connecting the Network Jack to the Network Setting up the Network Cabling at Your SiteInstallation Guide Installing the Network Jack Mounting the Network Jack Connecting Devices to the Network Jack Connecting the Local Power Supply OptionalChecking the LEDs Troubleshooting the Network JackTroubleshooting the Network Jack Hardware SpecificationsPerformance Contacting Technical Support One-Year Free Installation SupportWorld Wide Web Site Online Technical Services3Com Knowledgebase Web Services Support from Your Network Supplier 3Com FTP SiteReturning Products for Repair Support from 3ComPage 3Com Network Jack 3Com Corporation Limited WarrantyObtaining Warranty Service Warranties EXCLUSIVE, Warranty Disclaimer Governing LAW FCC Declaration of Conformity FCC Class a Verification Statement

3CNJ100 specifications

The 3Com 3CNJ100 is a notable product from the well-known networking and communications company, 3Com, which has a rich history in providing innovative technologies for networking solutions. Specifically designed for the home and small office environments, the 3CNJ100 is a single-port Ethernet adapter that brings a range of features and robust performance to users looking to enhance their network connectivity.

One of the main features of the 3Com 3CNJ100 is its compatibility with a wide array of operating systems. It supports Windows, Mac, and various Linux distributions, allowing users from multiple platforms to take advantage of its capabilities without heavy limitations. The plug-and-play functionality simplifies the installation process, which means that users can easily connect the device to their computers without the need for additional software or complicated configurations.

The 3CNJ100 utilizes 10/100 Mbps Ethernet technology, providing users with reliable data transfer speeds that cater to everyday browsing, online gaming, and streaming applications. This dual-speed technology ensures that the adapter is backward compatible with older 10 Mbps networks while also taking advantage of faster 100 Mbps connections when available, making it versatile for various networking environments.

Another significant characteristic of the 3Com 3CNJ100 is its compact design. The adapter's small form factor allows it to easily fit into any workstation setup, minimizing clutter and enhancing the aesthetic of the user’s environment. Its durability is also noteworthy; the rugged construction ensures that it can withstand the rigors of daily use in both home and office settings.

In terms of connectivity, the 3CNJ100 features a standard RJ-45 port, which is the industry standard for Ethernet connections. This essential feature allows seamless integration into existing networks, making it a practical choice for users looking to connect additional devices without the need for extensive rearrangements or upgrades.

Overall, the 3Com 3CNJ100 stands out as a reliable and efficient networking solution offering critical technologies and characteristics that cater to the needs of both home and small office users. Its compatibility, speed, and compact design make it an excellent choice for those looking to enhance their Ethernet connectivity.