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3Com 3812 Getting Started Guide - Page 3

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UPC - 662705470191

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CONTENTS ABOUT THIS GUIDE Conventions 8 Related Documentation 9 Accessing Online Documentation 9 Documentation Comments 10 1 INTRODUCING THE SUPERSTACK 3 SWITCH 3812, SWITCH 3824, AND SWITCH 3848 About the Switch 12 Summary of Hardware Features 12 Switch - Front View Detail 13 10BASE-T/ 100BASE-TX/ 1000BASE-T Ports 14 Dual Personality SFP Ports 14 Console Port 14 LEDs 15 Switch - Rear View Detail 16 Power Socket 17 Redundant Power System Socket (Switch 3848 only) 17 Default Settings 17 2 INSTALLING THE SWITCH Package Contents 20 Choosing a Suitable Site 20 Rack-mounting 21 Placing Units On Top of Each Other 22 The Power-up Sequence 23 Powering-up the Switch 23 Checking for Correct Operation of LEDs 23

Section	Page
Contents	3
About This Guide	7
Conventions	8
Related Documentation	9
Accessing Online Documentation	9
Documentation Comments	10
Introducing the SuperStack 3 Switch 3812, Switch 3824, and Switch 3848	11
About the Switch	12
Summary of Hardware Features	12
Switch - Front View Detail	13
10BASE-T/ 100BASE-TX/ 1000BASE-T Ports	14
Dual Personality SFP Ports	14
Console Port	15
LEDs	15
Switch - Rear View Detail	16
Power Socket	17
Redundant Power System Socket (Switch 3848 only)	17
Default Settings	17
Installing the Switch	19
Package Contents	20
Choosing a Suitable Site	20
Rack-mounting	21
Placing Units On Top of Each Other	22
The Power-up Sequence	23
Powering-up the Switch	23
Checking for Correct Operation of LEDs	23
Connecting a Redundant Power Supply (Switch 3848 only)	23
Choosing the Correct Cables	24
SFP Operation	25
Approved SFP Transceivers	25
Inserting an SFP Transceiver	25
Removing an SFP Transceiver	27
Setting Up for Management	29
Setting Up Overview	30
IP Configuration	31
Preparing for Management	32
Manually Configuring IP Information	32
Connecting to the Console Port	32
Viewing Automatically Configured IP Information	36
Using 3Com Network Supervisor	36
Connecting to the Console Port	36
Methods of Managing a Switch	39
Command Line Interface Management	39
Web Interface Management	40
SNMP Management	40
Setting Up Command Line Interface Management	40
CLI Management via the Console Port	41
CLI Management over the Network	41
Setting Up Web Interface Management	42
Pre-requisites	42
Web Management Over the Network	43
Setting Up SNMP Management	43
Pre-requisites	43
Default Users and Passwords	44
Changing Default Passwords	44
Problem Solving	45
Solving Problems Indicated by LEDs	46
Solving Hardware Problems	47
Solving Communication Problems	49
Solving Software Upgrade Problems	50
Safety Information	51
Important Safety Information	52
L’information de Sécurité Importante	54
Wichtige Sicherheitsinformationen	56
Power Cord Set - Japan	57
Pin-outs	59
Null Modem Cable	59
PC-AT Serial Cable	60
Modem Cable	61
RJ-45 Pin Assignments	61
Technical Specifications	63
Switch 3812, Switch 3824, and Switch 3848	63
Obtaining Support for your Product	65
Register Your Product to Gain Service Benefits	65
Purchase Value-Added Services	65
Troubleshoot Online	65
Access Software Downloads	66
Contact Us	66
Telephone Technical Support and Repair	66
Index	69

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