Accton Technology EtherHub-16 Quick Start Manual
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Accton Technology EtherHub-16 Quick Start Manual

Smart ethernet hub with 16 rj-45 ports and 2 aui/bnc ports
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EtherHub-16
Smart Ethernet Hub with 16 RJ-45 Ports and 2 AUI/BNC Ports
This 10 Mbps Ethernet hub includes 16 RJ-45 ports on the front panel, and 2 AUI/BNC ports on
the rear panel. This hub can be operated in a stand-alone configuration, cascaded to other hubs,
or linked to one or more AUI/BNC backbones. This hub is suitable for desktop or rack-mount
installation, and supports full-range power input. The EtherHub-16 conforms to the IEEE 802.3
standard for local area networks based on CSMA/CD, and provides10BASE-T, 10BASE2 and
10BASE5 repeater functions including:
Signal amplification and retiming
Preamble regeneration and fragment extension
Automatic port partition and reconnection

Hardware Installation

The EtherHub-16 has 16 RJ-45 ports, of which Port 16 can serve as either a standard port or a
daisy-chain port. It also has two AUI/BNC ports. Use twisted-pair cable (100
connect any standard RJ-45 (MDI-X) port to a server/workstation, or to connect the RJ-45 daisy-
chain port (i.e., Port 16MDI ) to another compatible hub or switch. You can also attach up to two
Ethernet LAN backbones by connecting thin coaxial cable to a BNC port or connecting thick
coaxial cable to an AUI port.
Making RJ-45 Connections
1. Prepare straight-through twisted-pair cable (100 ) with RJ-45 plugs at both ends. The
length of each cable should not exceed 100 meters (328 feet).
Do not plug a phone jack connector into any RJ-45 port. This may damage the hub. Instead,
use only twisted-pair cables with RJ-45 connectors that conform with FCC standards.
Quick Start Guide
STP or UTP) to
1

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Summary of Contents for Accton Technology EtherHub-16

  • Page 1: Hardware Installation

    EtherHub-16 Quick Start Guide Smart Ethernet Hub with 16 RJ-45 Ports and 2 AUI/BNC Ports This 10 Mbps Ethernet hub includes 16 RJ-45 ports on the front panel, and 2 AUI/BNC ports on the rear panel. This hub can be operated in a stand-alone configuration, cascaded to other hubs, or linked to one or more AUI/BNC backbones.
  • Page 2 EtherHub-16 Quick Start Guide 2. If you are making a connection to an end-node device (e.g., a PC or server), be sure that it has a properly installed 10BASE-T network interface card. Attach one end of a straight-through twisted-pair cable to an standard port (Port 1 ~ 16MDI-X ) on the hub and the other end to the RJ-45 port of the device’s network interface card.

  • Page 3: Providing Power To The Hub

    EtherHub-16 Quick Start Guide Providing Power to the Hub 1. Power on the hub by plugging the power cord into the power socket at the rear of the hub, and the other end into a power outlet. 2. Check the LED marked Power on the front panel to see if it is on.

  • Page 4: Hardware Description

    EtherHub-16 Quick Start Guide Hardware Description RJ-45 Ports This hub has 16 RJ-45 ports that can be used to connect end-node devices (e.g., workstations, file servers, or printers). Be sure you have an Ethernet network interface card installed in the device to be connected to the hub.

  • Page 5: Troubleshooting

    EtherHub-16 Quick Start Guide AUI Port This hub has two built-in AUI transceivers (i.e., AUI1 and AUI2) on the rear panel for connection using thick Ethernet cable (10BASE5) or fiber optic Ethernet cable (10BASE-F). To use either AUI port, set the DIP switches to the correct positions and described on page 2. An AUI port can be connected to thick Ethernet by running an AUI drop cable from the hub to a 10BASE5 transceiver attached to the trunk line.

  • Page 6: Specifications

    EtherHub-16 Quick Start Guide Symptom: Jabber indicator lights up. Causes: Frame received on this port exceeds length threshold for Jabber Lockup Protection. Solution: If jabber lockup has occurred, it will be automatically re-enabled when the problem is corrected or the port receives a valid data packet. Check for a faulty network interface card that has started transmitting data but never stops.

  • Page 7: Emi Warning

    EtherHub-16 Quick Start Guide EMI Warning FCC Class A Certification This device complies with Part 15 of the FCC Rules. Operation is subject to the following conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received,including interference that may cause undesired operation.

  • Page 8: Safety Compliance

    EtherHub-16 Quick Start Guide You may find the following book prepared by the Federal Communication Commision helpful: The Interference Handbook This booklet is available from the U.S. Government Printing Office. Washington, D.C. 20402. Stock No. 004-000-00345-4. Safety Compliance Underwriters Laboratories Compliance Statement Important! Before making connections, make sure you have the correct Cord Set.
  • Page 9 EtherHub-16 Quick Start Guide Sicherheitshinweise 1. Die Steckdose muß sich in der Nähe des Gerätes befinden und leicht zugänglich sein. 2. Zum Reinigen den Stecker aus der Steckdose ziehen. Beim Reinigen keine Flüssigreiniger oder Sprays verwenden, sondern ein angefeuchtetes Tuch.
  • Page 10 NEITHER ASSUMES NOR AUTHORIZES ANY PERSON TO ASSUME FOR IT ANY OTHER LIABILITY. Copyright Copyright 1996 by Accton Technology Corporation. All rights reserved. Product specification are subject to change without notice. All trademarks or brand names are properties of their respective companies. Disclaimer The publisher assumes no responsibility for errors that may appear in this document, nor does it make any commitment to update information it contains.

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