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8 manual Part No. DUA 1670-0AAA04 Published June
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Warranty
Dimension
Connecting Workstations and Other Equipment to Your Hub
PROBLEM SOLVING FOR THE HUB 4 AND 4C
Safety
Power LED
Online Technical Services
Uplink/Normal switch
Using Your Hub
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Part No. DUA
1670-0AAA04
Published June 1999
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Contents
User Guide 3C16704A, 3C16703A, 3C16700A, 3C16701A
OfficeConnect Ethernet Hub 4, 4C, 8, 8C
Copyright 1999, 3Com Technologies. All rights reserved
3Com Corporation 5400 Bayfront Plaza Santa Clara, California
UNITED STATES GOVERNMENT LEGEND
Problem Solving for the Hub 4 and 4C
Problem Solving for the Hub 8 and 8C Networking Terminology
Dimensions and Standards
Important Safety Information Wichtige Sicherheitshinweise
Consignes importantes de sécurité Technical Support
3Com Corporation Limited Warranty Electromagnetic Compatibility
Returning Products for Repair
INTRODUCTION
CREATING YOUR NETWORK
What Else Do I Need?
Workstation Connections
Transceiver Connections
Hub Connections
10BASE-2
10BASE-T
Twisted Pair TP Cables
The Rubber Feet
Stacking the Units Together
The Stacking Clip
Positioning Your Hub
Using Your Hub
Securing Your Hub
THE OFFICECONNECT ETHERNET HUB 4 AND 4C
Ethernet Hub 4 and 4C-Front
Power LED
Alert LED
Ethernet Hub 4 and 4C-Rear
Power Adapter socket
Uplink/Normal switch
AUI port Hub 4C only
Connecting OfficeConnect Ethernet Hubs Together
Connecting Workstations and Other Equipment to Your Hub
Connecting Transceivers to the AUI Port
Connecting Hubs Using 10BASE-2
Checking Connections
Spot Checks
Connecting Hubs Using 10BASE-T
Checking Connections
PROBLEM SOLVING FOR THE HUB 4 AND 4C
Figure 6 Straight-through Cable/Crossover Cable
RxD+
THE OFFICECONNECT ETHERNET HUB 8 AND 8C
Ethernet Hub 8 and 8C-Front
Power LED
Alert LED
Ethernet Hub 8 and 8C-Rear
Power Adapter socket
Uplink/Normal switch
10BASE-2 port Hub 8C only
Connecting Workstations and Other Equipment to Your Hub
Connecting OfficeConnect Ethernet Hubs Together
Connecting Hubs Using 10BASE-2
Figure 7 Correct Hub Connections Using 10BASE-2
Checking Connections
50 Ohm terminator
Connecting Hubs Using 10BASE-T
Figure 8 Correct Hub Connections Using 10BASE-T
Switch set to Normal out Switch set to Uplink in Switch set to
Spot Checks
PROBLEM SOLVING FOR THE HUB 8 AND 8C
Figure 9 Straight-through Cable/Crossover Cable
NETWORKING TERMINOLOGY
Dimensions and Operating Conditions
DIMENSIONS AND STANDARDS
Standards
ENVIRONMENTAL STATEMENTS
End Of Life Statement
Regulated Materials Statement
Environmental Statement about the Documentation
IMPORTANT SAFETY INFORMATION
WICHTIGE SICHERHEITSHINWEISE
CONSIGNES IMPORTANTES DE SÉCURITÉ
Online Technical Services
3Com Knowledgebase Web Services
TECHNICAL SUPPORT
World Wide Web Site
Support from Your Network Supplier
Support from 3Com
Country
Telephone Number
Country
Telephone Number
Country
Telephone Number
Country
Telephone Number
Returning Products for Repair
3Com Corporation Limited Warranty
YEAR 2000 WARRANTY
OBTAINING WARRANTY SERVICE
HARDWARE
WARRANTIES EXCLUSIVE
LIMITATION OF LIABILITY
DISCLAIMER
GOVERNING LAW
ELECTROMAGNETIC COMPATIBILITY
FCC STATEMENT
CSA STATEMENT
VCCI STATEMENT BCIQ STATEMENT INFORMATION TO THE USER
Wall mounting screw hole guide 150 mm 5.9 in
Part No. DUA 1670-0AAA04 Published June
