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3Com 3C17400 User Manual - Page 17

Console Port, Switch - Rear View Detail, Power Socket

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Switch - Rear View Detail 17 LED Color Indicates Green flashing There is 1000 Mbps activity on the port. Off No link is present. Module Active LEDs Green The SFP Module is present and has a link. The corresponding 10/100/1000 Mbps port is disabled Self Test LED Green flashing There is a test in progress. Green All tests have been passed and the Switch is ready for use. Red A fault has occurred. Red flashing An internal fan has failed. Off The unit is booting-up. Power LED Green The Switch is powered-up and operating normally. Red The Switch has a fault with the Power Supply Unit. Off The Switch is not receiving power or there is a fault with the Power Supply Unit. Console Port The console port allows you to connect a terminal and perform remote or local out-of-band management. The console port uses a standard null modem cable and is set to auto-baud, 8 data bits, no parity and 1 stop bit. Switch - Rear View Detail Figure 3 Switch - rear view Power Socket Power Socket The Switch automatically adjusts its power setting to any supply voltage in the range 100-240 VAC.

Section	Page
Contents	3
About This Guide	7
Before You Start	7
About Your CD-ROM	7
Conventions	8
Related Documentation	9
Accessing Online Documentation	10
Documentation Comments	10
Product Registration	11
Introducing the Switch 3812 and Switch 3824	13
About the Switch	14
Summary of Hardware Features	14
Switch - Front View Detail	15
10BASE-T/ 100BASE-TX/ 1000BASE-T Ports	15
SFP Ports	16
LEDs	16
Console Port	17
Switch - Rear View Detail	17
Power Socket	17
Default Settings	18
Installing the Switch	19
Package Contents	20
Choosing a Suitable Site	20
Rack-mounting	21
Placing Units On Top of Each Other	23
The Power-up Sequence	23
Powering-up the Switch	23
Checking for Correct Operation of LEDs	23
Choosing the Correct Cables	24
SFP Operation	25
Approved SFP Transceivers	25
Inserting an SFP Transceiver	26
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	33
Connecting to the Console Port	33
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	39
SNMP Management	40
Setting Up Command Line Interface Management	40
CLI Management via the Console Port	40
CLI Management over the Network	41
Setting Up Web Interface Management	42
Pre-requisites	42
Web Management Over the Network	42
Setting Up SNMP Management	43
Pre-requisites	43
Default Users and Passwords	43
Changing Default Passwords	44
Problem Solving	45
Solving Problems Indicated by LEDs	46
Solving Hardware Problems	47
Solving Communication Problems	48
Solving Software Upgrade Problems	49
Safety Information	51
Power Cord Set - Japan	51
Important Safety Information	52
L’information de Sécurité Importante	53
Wichtige Sicherheitsinformationen	55
Pin-outs	57
Null Modem Cable	57
PC-AT Serial Cable	57
Modem Cable	58
RJ-45 Pin Assignments	58
Technical Specifications	61
Switch 3812 and Switch 3824	61
Technical Support	63
Online Technical Services	63
World Wide Web Site	63
3Com Knowledgebase Web Services	64
3Com FTP Site	64
Support from Your Network Supplier	64
Support from 3Com	65
Internet Support	65
Asia, Pacific Rim	65
Europe, Middle East and Africa	65
Latin America	65
Telephone Support	65
Returning Products for Repair	67
Contacting 3Com Support	68
Index	69