Руководство по эксплуатации Accton Technology CHEETAHUB POWER 3012B

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CheetaHub Power-3012B
&INO

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Installation Manual CheetaHub Power-3012B Ethernet Hub with 12 Dual-Speed RJ-45 Ports and 1 MII Port Two Internally Switched Repeaters for 10 Mbps and 100 Mbps Domains in One Package

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Copyright © 1997 by Accton Technology Corporation. All rights reserved. No part of this document may be copied or reproduced in any form or by any means without the prior written consent of Accton Technology Corporation. Accton makes no warranties with respect to this documentation and disclaims any implied warranties of merchantability, quality, or fitness for any particular purpose. The information in this document is subject to change without notice. Accton reserves the right to make revis

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Package Contents Carefully unpack the contents of the package and verify them against the checklist given below. Package Checklist æ CheetaHub Power-3012B (Model No. EH3012B) Ethernet hub with 12 dual-speed RJ-45 ports and 1 MII port æ two brackets for rack mounting æ four rubber foot pads æ installation manual æ warranty registration card æ AC power cord Please inform your dealer immediately should there be any wrong, missing, or damaged parts. If possible, retain the carton, including the orig

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Quick Installation The CheetaHub Power-3012B contains 12 RJ-45 ports for 10 Mbps or 100 Mbps Ethernet connection (detected by auto- sensing). This dual-speed hub contains two internal repeater buses – one for 10 Mbps traffic and another for 100 Mbps traffic. Traffic passing between attached devices that operate at the same speed is isolated within the appropriate repeater bus. An internal Ethernet switch, consisting of a 10 Mbps and a 100 Mbps switching port, is used to link the repeater buses

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CheetaHub Power-3012B User’s Guide 4. Connect PCs or other network devices to the RJ-45 ports. Attach PCs or daisy-chain to Connect any devices that use standard network interface another device via the RJ-45 ports cards to the RJ-45 (MDI-X) station ports (e.g., a workstation, server, bridge or router). This hub uses auto-sensing to dynamically set the required transmission speed at 10 Mbps or 100 Mbps for the RJ-45 ports. To cascade to another hub or switch, run straight-through twisted-pair

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CheetaHub Power-3012B User’s Guide 5. Connect other media types using the D-type MII port. Attach to alternate media You can also connect to other network devices using the types via the Class I MII port media independent interface (MII) on the back panel. You can attach to 100BASE-TX (operating at 100 Mbps only), 100BASE-T4 or 100BASE-FX media types by plugging the appropriate transceiver into the MII connector. This port can be used to connect the hub to a collapsed backbone, or for media co

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About this Guide This guide is designed for the experienced network installer. It describes how to install and operate Accton’s dual-speed CheetaHub. After reading this manual, you should be able to use the front display panel and configure options to manage all your network connections. This manual covers the following topics: Chapter 1 - Product Overview Brief description of Fast Ethernet technology, followed by a description of this hub and a summary of its important features and specificati

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Contents Chapter 1: Product Overview 1-1 Introduction to Fast Ethernet 1-1 Accton’s Dual-Speed CheetaHub System 1-1 Basic Features 1-2 Chapter 2: Installing the System 2-1 Pre-Installation Requirements 2-1 Hardware Installation 2-2 Stacking Hubs on a Flat Surface 2-2 Mounting Hubs in a Rack 2-3 Connecting the Hub System 2-4 Making a Connection via an MDI-X Station Port 2-4 Making a Connection via the Daisy-Chain Port 2-5 Restrictions on Cascade Length 2-6 Making a Connection via the MII Port 2-7

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CheetaHub Power-3012B User’s Guide Appendix B: Port and Cable Assignments B-1 RJ-45 Port B-1 MII Port B-2 Appendix C: Product Specifications C-1 Repeater Criteria C-1 Network Criteria C-1 Internal Switching Criteria C-2 Appendix D: Standards Compliance D-1 EMI Warning D-1 FCC Class B D-1 Voluntary Control Council for Interference (VCCI-B) D-2 EN55022 Declaration of Conformance D-2 Safety Compliance D-3 Underwriters Laboratories Compliance Statement D-3 Sicherheitshinweise D-4 Appendix E: Product

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CheetaHub Power-3012B User’s Guide List of Figures Figure 2-1 Stacking Hubs on a Flat Surface 2-2 Figure 2-2 Mounting Hubs in a Rack 2-3 Figure 2-3 Hub Indicators 2-9 Figure 3.1 Stand-Alone Configuration 3-2 Figure 3.2 Multiple Hub Configuration Using Daisy-Chain Port 3-3 Figure 3.3 Uplinked Hub Using Fiber Optic Cable 3-4 Figure B-1 RJ-45 Connector (on the Hub Side) B-1 Figure B-2 MII Connector B-2 List of Tables Table 2-1 Hub Indicators 2-9 Table 3-1 Maximum Network Span with Stand-Alon