NETGEAR EN104 Installation Manual

Ethernet hub
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Summary of Contents for NETGEAR EN104

  • Page 2: Start Here

    Features The Model EN104/EN108/EN116 hub has the following features: • Four (on the Model EN104 hub), eight (on the Model EN108 hub), and sixteen (on the Model EN116 hub) provide 10 megabit per second (Mbps) networking using simple unshielded twisted pair (UTP) wiring •...
  • Page 3: Package Contents

    Registration Card, Support Information Card Verify that your package contains the following: • Model EN104 hub, Model EN108 hub, or Model EN116 hub • Mounting kit (for wall installation) • BNC T-connector and BNC 50 Model EN108 hub or the Model EN116 hub) •...
  • Page 4: Product Illustration

    EN116 Vista 10BASE-T Network Ports with Built-in LEDs The front panel of the Model EN104 hub has four RJ-45 10BASE-T ports, the Model EN108 hub has eight RJ-45 10BASE-T ports, and the Model EN116 hub has sixteen RJ-45 10BASE-T ports. Two LEDs—the Link LED and the Rx LED—are built into each 10BASE-T port.
  • Page 5: Normal/Uplink Push Button

    The Normal/Uplink push button allows you to select Normal (MDI-X) wiring for direct PC connection. The push button also allows you to select Uplink (MDI) wiring for connection to a hub or a switch through port 4 on the Model EN108 hub, or port 16 on the Model EN116 hub.
  • Page 6: Rear Panel

    Rear Panel The rear panel of the hub has a BNC port that you can use to connect to a backbone network or other PCs using thin coaxial cable. The rear panel of the Model EN108 hub and the Model EN116 hub also has an AUI port in addition to the BNC port.
  • Page 7: Installation Procedures

    Install the Hub To install your hub on a flat surface, you do not need any special tools. Be sure the hub is positioned with at least 2 inches of space on all sides for ventilation.
  • Page 8: Connect A Pc To The Hub

    To connect any of the RJ-45 ports on your hub to a PC, use a regular straight- through UTP cable. If you are connecting using port 4 on the Model EN104 hub, port 8 on the Model EN108 hub, or port 16 on the Model EN116 hub, set the Normal/Uplink push button to Normal.
  • Page 9: Connect The Hub To A Network

    100 meters (m) in length. The 10BASE-T ports, with the exception of port 4 on the Model EN104 hub, port 8 on the Model EN108 hub, or port 16 on the Model EN116 hub, are MDI-X (or Normal) ports.
  • Page 10: Cascade The Hub

    five, as shown in the example. When PC “A” communicates with PC “B,” the communication path goes from hub 4 to hub 2, to hub 1, to hub 3, and then to hub 5. The following illustration shows cascading hubs together daisy-chain style and indicates the setting of the Normal/Uplink push button on each hub.
  • Page 11 Connect to a Network Using the BNC Port The BNC port on the rear panel of the hub is used for connecting to a thin coaxial segment. You can connect other Model EN104/EN108/EN116 hubs, servers, workstations, or other devices to the BNC port. A BNC-T connector is inserted in the port, and the 50 end device.
  • Page 12 Connect to a Network Using the AUI Port The AUI port on the rear panel (found only on the Model EN108 hub and the Model EN116 hub) is normally used for connecting a thick coaxial segment. With the right type of transceiver, you can use the AUI port to connect to most types of network media, including 10BASE-T twisted pair cable or thin coaxial, thick coaxial, and 10BASE-FL fiber optic cables.
  • Page 13: Verify Installation

    Verify Installation To complete the installation, connect the power cord first to the power receptacle on the hub rear panel and then to the power outlet on the wall. When power has been applied to the hub: • The green Pwr (Power) LED on the front panel is on.
  • Page 14: Troubleshooting

    If the network is extremely busy, you may have to segment the network with an Ethernet switch such as a NETGEAR Ethernet switch or to upgrade your network to Fast Ethernet operation. Make sure the correct UTP cables are used. See...
  • Page 15: Network Interface Cards

    Hub Integrity If required, verify the integrity of the hub by resetting it. Turn power to the hub off and then back on. If the problem continues and you have completed all the preceding diagnoses, contact NETGEAR Customer Support.
  • Page 16: Technical Specifications

    Safety Agency Approvals for Power Adapter CE mark, commercial UL listed (UL 1950) TUV licensed (EN 60 950) T-Mark Model EN104/EN108/EN116 Ethernet Hub Installation Guide 10 Mbps, Manchester encoded 10BASE-T ports (RJ-45), BNC port, AUI port (Model EN108 hub and Model EN116 hub only) 11.0 W...
  • Page 17: Replacement Power Adapter

    Replacement Power Adapter If, for any reason, the power adapter for any of the hubs fails, contact NETGEAR immediately to order a replacement adapter. Use the following table when ordering a specific power adapter. Order code EN104 PWR-024-001 Power adapter (7.5 V DC, 1 A), North America PWR-024-002 Power adapter (7.5 V DC, 1 A), Europe...
  • Page 18 In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to make changes to the products described in this document without notice. NETGEAR does not assume any liability that may occur due to the use or application of the product(s) or circuit layout(s) described herein.
  • Page 19 NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 Phone: 1-888-NETGEAR E-mail: Support@NETGEAR.com http://www.NETGEAR.com *M-EN100NA-3*...

This manual is also suitable for:

En116En108En116na

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