Accton Technology Switch POWER 3012A User Manual

CheetaHubPower-3012A  
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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 revisions to this  
publication without obligation to notify any person or entity of any such changes.  
Before operating this product, please review the statements on electromagnetic emission  
interference and safety compliance in Appendix D.  
International Headquarters  
No. 1 Creation Road III,  
USA Headquarters  
1962 Zanker Road  
Science-based Industrial Park  
Hsinchu 300, Taiwan, R.O.C.  
Phone: 886-3-5770-270  
FAX: 886-3-5770-267  
BBS: 886-3-5770-654  
San Jose, CA 95112  
Phone: 408-452-8900  
FAX: 408-452-8988  
BBS: 408-452-8828  
FAST FAX: 408-452-8811  
Internet: [email protected]  
Accton, CheetaHub and SmartWatch 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.  
EH3012A  
150188-101  
E0897-R01  
 
Package Contents  
Carefully unpack the contents of the package and verify them against the  
checklist given below.  
Package Checklist  
æ CheetaHub Power-3012A (Model No. EH3012A)  
Fast Ethernet stackable hub with 12 100BASE-TX ports  
and optional Fast Ethernet switch modules  
æ Two mounting brackets  
æ Four rubber foot pads  
æ AC power cord  
æ One 20 cm FlexBus stack cable  
æ Installation manual  
æ Warranty 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.  
Package Contents  
i
 
Quick Installation  
The CheetaHub Power-3012A is a Class I Fast Ethernet repeater. It contains 12  
100BASE-TX Fast Ethernet ports. This hub also includes two stack ports on  
the rear panel, allowing you to stack up to 5 hubs, and one slot for optional  
switch modules which support an additional Fast Ethernet connection  
(100BASE-TX or 100BASE-FX). The smart design built into the front display  
panel 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 hub as described below:  
1. Unpack the CheetaHub.  
2. Find a location close to the network devices you need to connect, and within  
easy reach of an electrical outlet.  
3. Mount the hub on a desktop or any other flat surface. If you are installing  
multiple hubs, you can stack them on top of each other (after attaching the  
foot pads), or install them in a standard EIA 19-inch rack.  
4. Connect any devices that use a standard network interface to the RJ-45  
MDI-X station ports; e.g., a workstation, server or router. Use 100W  
Category 5 STP or UTP cable to connect to the hub, and be sure the length  
of any twisted-pair connection does not exceed 100 meters (328 feet). Refer  
to Chapter 3 for sample configurations.  
5. If you are stacking multiple hubs, connect the FlexBus stack cable between  
the “Out” and “In” backplane ports on adjacent hubs. Run a simple chain  
starting at the Out port on the top hub in the stack, and ending at the In port  
on the bottom hub in the stack. No more than 5 hubs can be connected via  
the backplane bus.  
Quick Installation  
iii  
 
CheetaHub Power-3012A User’s Guide  
6. To connect a Fast Ethernet switch, run straight-through twisted-pair cable  
from the MDI daisy-chain port on this hub (Port 12) to any MDI-X station  
port on the other device (or vice versa). Refer to Figure 3.3. If necessary,  
you can also cascade between two station ports using crossover cable.  
7. To uplink to the network via a Fast Ethernet switch port, you can install one  
of the optional switch modules. The 100BASE-TX module can be uplinked  
to Fast Ethernet networks by attaching it to a switch or another repeater hub.  
It can also be used to provide dedicated access for a heavily used file server  
or a power user. Or you can use a 100BASE-FX module to connect to a  
remote site up to 2 kilometers (1.24 miles) away. (Refer to Chapter 2 for a  
more detailed description of length restrictions for fiber optic cable.)  
The transmission mode is set by auto-negotiation to full or half duplex for  
both the 100BASE-TX and 100BASE-FX modules. The speed is set at 10 or  
100 Mbps using auto-sensing for the 100BASE-TX module; while the speed  
of the 100BASE-FX modules is fixed at 100 Mbps.  
8. Verify network communications by ensuring that:  
you have made all the necessary connections  
you can access any connected resources  
the hub’s indicators are functioning properly  
If you encounter any problems in installing the CheetaHub, refer to Chapter 2 for  
a detailed description of installation procedures, Chapter 3 for sample  
configurations, or Appendix A for help in troubleshooting.  
iv  
Quick Installation  
 
About this Guide  
This guide is designed for the experienced network installer. It describes how  
to install and operate the CheetaHub Power-3012A. 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, followed by a description of this hub and a  
summary of its important features and specifications.  
Chapter 2 - Installing the System  
Installing a CheetaHub and making basic network connections.  
Chapter 3 - Configuring the Network  
Shows sample network configurations for a local area network.  
Chapter 4 - Hardware Reference  
Detailed description of indicator panel and ports.  
Appendices -  
Troubleshooting, cable assignments, and product specifications.  
About this Guide  
v
 
Contents  
Chapter 1: Product Overview................................................. 1-1  
Introduction to Fast Ethernet......................................................................................1-1  
Accton’s CheetaHub Power-3012A ...........................................................................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  
Connecting to the Stack’s Backplane ....................................................................2-5  
Making a Connection via the MDI Daisy-Chain Port............................................2-5  
Connecting to a Switch Module.............................................................................2-6  
Providing Power to the Hub .......................................................................................2-10  
Verifying Port Status..................................................................................................2-11  
Verifying System Operation.......................................................................................2-12  
Chapter 3: Configuring the Network...................................... 3-1  
Stand-Alone ...............................................................................................................3-1  
Stack of Hubs .............................................................................................................3-2  
Connecting to the Network Backbone........................................................................3-3  
Connecting to the Remote Device..............................................................................3-4  
Appendix A: Troubleshooting................................................ A-1  
Diagnosing Hub Indicators.........................................................................................A-1  
System Diagnostics ....................................................................................................A-2  
Power and Cooling Problems ................................................................................A-2  
Installation.............................................................................................................A-2  
Physical Configuration ..........................................................................................A-3  
System Integrity.....................................................................................................A-3  
Contents  
vii  
 
CheetaHub Power-3012A User’s Guide  
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 Certification ......................................................................................................D-1  
FCC Class B Certification ....................................................................................D-1  
Voluntary Control Council for Interference (VCCI-B) ........................................D-2  
European Community Immunity Requirements....................................................D-3  
CE Mark Declaration of Conformance (for EMI and Safety)...............................D-3  
Safety Compliance.....................................................................................................D-4  
Underwriters Laboratories Inc..............................................................................D-4  
Sicherheitshinweise ..............................................................................................D-5  
Appendix E: Product Support Services ................................ E-1  
Product Registration..................................................................................................E-1  
Problem Report .........................................................................................................E-1  
Hardware Repair Service...........................................................................................E-1  
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 Offices...........................................................................................................E-6  
Ordering Information ................................................................................................E-7  
Glossary  
Index  
viii  
Contents  
 
CheetaHub Power-3012A 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 Connecting the Backplane Bus in a Stack..............................................2-5  
Figure 2-4 Fast Ethernet Switch Modules................................................................2-6  
Figure 2-5 Switch Indicators....................................................................................2-11  
Figure 3-1 Stand-Alone Configuration ....................................................................3-1  
Figure 3-2 Stack of Hubs.........................................................................................3-2  
Figure 3-3 Linking Stacks with a Collapsed Backbone ...........................................3-3  
Figure 3-4 Connecting the Stack to a Remote Device .............................................3-4  
Figure B-1 RJ-45 Connector (on the Hub Side).......................................................B-1  
List of Tables  
Table 2-1 Calculating the Power Budget for Fiber Optics......................................2-9  
Table 2-2 Power Budget for Common Gauge Fiber Optics....................................2-9  
Table 2-3 Meaning of LED Indicators....................................................................2-11  
Table 2-4 Maximum Cable Length.........................................................................2-13  
Table B-1 RJ-45 Pin Assignments ..........................................................................B-1  
Contents  
ix  
 

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