Accton Technology SwitcHub-2s Bedienungsanleitung
SwitcHub-2s
&INO<GG<ODJI*<IP<G
Installation Manual
SwitcHub-2s
2-Port Ethernet Switching Hub
for 10BASE-T/100BASE-TX
Copyright (c) 1996 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 revisions to this
publication without obligation to notify any person or entity of any such changes.
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No. 1 Creation Road III,
Science-based Industrial Park
Hsinchu 300, Taiwan, R.O.C.
Phone: 886-35-770-270
FAX: 886-35-770-267
BBS: 886-35-770-654
Internet: [email protected]
86$+HDGTXDUWHUV
1962 Zanker Road
San Jose, CA 95112
Phone: 408-452-8900
FAX: 408-452-8988
BBS: 408-452-8828
FAST FAX: 408-452-8811
Accton and SwitcHub are trademarks or registered trademarks of Accton Technology Corporation.
Other trademarks or brand names mentioned herein are trademarks or registered trademarks of
their respective companies.
EH3001
E0496-R03
150652-101
About this Guide i
About this Guide
This guide is designed for the experienced network installer. It describes how
to install and operate Accton’s Fast SwitcHub-2s Ethernet switch. 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:
ì Product description, summary of important features and specifications
ì Brief description of the SwitcHub-2s
ì Description of significant components of the unit including LED indicators,
ports and buttons
ì System setup and configuration
Package Contents iii
Package Contents
Carefully unpack the contents of the package and verify them against the checklist
given below.
Package Checklist
æSwitcHub-2s (Model No. EH3001-TX)
æAC power cord
æInstallation manual
æOwner registration card
Please inform your dealer immediately should there be any wrong, missing, or
damaged parts.
If possible, retain the carton, including the original packing materials. Use
them again to repack the unit in case there is a need to return it for repair.
To qualify for product updates and product warranty registration, fill in the
Owner Registration Card and return it to Accton Technology Corporation.
Quick Installation v
Quick Installation
The SwitcHub-2s contains 2 Ethernet ports, each of which supports 100BASE-TX
or 10BASE-T connections, operating at full or half-duplex. The smart design
built into the front display panel and configure options, provides a friendly
interface that simplifies installation and network troubleshooting. If you are
already familiar with basic network operations, you should be able to install this
switch as described below:
1. Unpack the SwitcHub-2s.
2. Find a location close to the network devices you need to connect, and within
easy reach of an electrical outlet.
3. Connect workstations or servers to the MDI-X station ports.
4. Connect to other hubs via the MDI port.
5. Set the transmission mode for each port to full or half-duplex.
6. Verify network communications by ensuring that -
• you have made all the necessary connections
• you can access any connected resources
• the hub’s indicator LEDs are functioning properly
Note: For devices connected directly to either port on the switch, it will
automatically detect transmission speed (10/100 Mbps). However, unless
the connected devices are operating at half-duplex (i.e., system default), you
will have to manually set the transmission mode via the configure button.
(Refer to Full/Half Duplex Mode Selection in Chapter 2).
If you encounter any problems in installing the SwitcHub-2s, refer to Chapter 3 for
a detailed description of installation procedures, or to Appendix A for help in
troubleshooting.
Contents
vii
Chapter 1: Introduction...........................................................1-1
Switching Technology...............................................................................................1-1
Accton’s Smart Extender (The Fast SwitcHub-2s)....................................................1-2
Features of the Fast SwitcHub-2s..............................................................................1-4
Chapter 2: Hardware Description ..........................................2-1
Front Panel ...............................................................................................................2-1
Configure Button..................................................................................................2-2
SmartWatch LED Panel........................................................................................2-3
Power..............................................................................................................2-3
Statistical Display for System Performance....................................................2-4
Setting the Communication Mode ..................................................................2-6
Diagnostics Display Mode..............................................................................2-7
Port Status Display..........................................................................................2-8
Rear Panel ...............................................................................................................2-10
Ethernet Ports.......................................................................................................2-10
Power Socket........................................................................................................2-10
Chapter 3: Setup and Configuration......................................3-1
Pre-Installation Requirements ...................................................................................3-1
Connecting the Hub System......................................................................................3-2
Server/Workstation Connection............................................................................3-2
Daisy-Chain Connection.......................................................................................3-3
Providing Power to the SwitcHub.............................................................................3-4
Diagnostic Tests........................................................................................................3-4
SwitcHub-2s User’s Guide
viii Contents
Setting the Display Mode..........................................................................................3-5
Selections Available.............................................................................................3-6
Bandwidth Utilization.....................................................................................3-6
Packet Forwarding Ratio.................................................................................3-6
Packet Filtering Ratio .....................................................................................3-6
Collision Ratio................................................................................................3-6
Full/Half Duplex Mode Selection...................................................................3-7
Diagnostic Function........................................................................................3-7
Verifying Port Status.................................................................................................3-8
Verifying System Operation......................................................................................3-8
Appendix A: Troubleshooting................................................A-1
Diagnosing Hub Indicators........................................................................................A-1
System Diagnostics ...................................................................................................A-2
Installation............................................................................................................A-2
Configuration........................................................................................................A-2
Hub Integrity ........................................................................................................A-3
Appendix B: Port and Cable Assignments.............................B-1
RJ-45 Port ...............................................................................................................B-1
Appendix C: Specifications....................................................C-1
Product Specifications...............................................................................................C-1
Appendix D: Regulatory Standards Compliance..................D-1
EMI Warning ............................................................................................................D-1
FCC Class B Certification....................................................................................D-1
Voluntary Control Council for Interference (VCCI-2).........................................D-3
EN55022 Declaration of Conformance ................................................................D-3
Safety Compliance.....................................................................................................D-4
Underwriters Laboratories Compliance Statement...............................................D-4
Sicherheitshinweise..............................................................................................D-5
SwitcHub-2s User’s Guide
Contents ix
Appendix E: Product Support Services ................................E-1
Product Registration..................................................................................................E-1
Problem Report .........................................................................................................E-1
Hardware Repair Service...........................................................................................E-1
Software Update and Upgrade Service......................................................................E-2
Bulletin Board Service (BBS) ...................................................................................E-2
Interactive Fast Fax (U.S.A. office) ..........................................................................E-2
Technical Support .....................................................................................................E-3
Limited Warranty......................................................................................................E-4
Customer Remedies..............................................................................................E-4
Return Process......................................................................................................E-5
Accton Distributors ...................................................................................................E-6
Ordering Information ................................................................................................E-6
Glossary
Index
List of Figures
Figure 2.1 The SwitcHub-2s Front Panel................................................................2-1
Figure 2.2 SmartWatch LED Panel.........................................................................2-3
Figure 2.3 The SwitcHub-2s Rear Panel .................................................................2-10
Figure B-1 RJ-45 Connector (on the Hub Side).......................................................B-1
List of Tables
Table B-1 RJ-45 Pin Assignments............................................................................B-1
1-1
Chapter 1: Introduction
Switching Technology
The Ethernet Switch allows simultaneous transmission of multiple packets via
an internal high-speed data channel. This means that it can partition a network
more efficiently than bridges or routers in most environments. The Ethernet
Switch is therefore fast being recognized as one of the most important building
blocks for today’s networking technology.
The learning function in the switching hub stores the address and
corresponding port number of each incoming and outgoing packet in a routing
table. This information is subsequently used to filter packets whose destination
address is on the same segment as the source address. This confines network
traffic to its respective domain, reducing the overall load on the network.
The switch scans the destination address from the packet header, searches the
routing table provided for the incoming port and forwards the packet only if
required, often before fully received. This fast forwarding makes the switch
attractive for connecting servers directly to the network, thereby increasing
throughput and availability. However, the switch is most commonly used to
segment existing hubs, which nearly always improves overall performance. A
switching hub can be easily configured in any Ethernet network to significantly
boost bandwidth using conventional cabling and adapters.
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