3Com 3CR17450-91, 3CR17451-91 S, T, W

80 CHAPTER : INDEX

rack mounting a Switch 3870 21

redundant power system socket 15

safety information

English 54

French 56

German 59, 60

Italian 63

SFP

Operation 25

transceivers 25

Simple Network Management Protocol. See SNMP

SNMP 43

SNMP management 40

setting up 43

specifications, system 73

stacking 15

stacking cable ports 15

straight-through configuration 24

Switch

automatic setup 36

Switch 3870

dimensions 73

features 10

installation 19, 21

powering-up 23

rack mounting 21

size 73

weight 73

system specifications 73

troubleshooting 45

web interface management 40

setting up 42

DUA1745-0AAA03.book Page 80 Friday, April 8, 2005 12:34 PM

Contents

Main 3Com Corporation 350 Campus Drive Marlborough MA USA 01752-3064 C ABOUT THIS GUIDE INTRODUCING THE SUPERSTACK 3 SWITCH 3870 INSTALLING THE SWITCH SETTING UP FOR MANAGEMENT P ROBLEM S SAFETY INFORMATION PIN-OUTS TECHNICAL SPECIFICATIONS O BTAINING S UPPORT FOR YOUR P I REGULATORY NOTICES Page ABOUT THIS GUIDE Conventions Tab le 1 Notice Icons Tab le 2 Text Conventions Related Accessing Online Documentation Comments 1 SWITCH 3870 About the Switch 3870 Summary of Hardware Feature s Table3 summarizes the hardware features that are supported by the Switch 3870. Tab le 3 Hardware feature s Switch 3870 Front View Detail 11 DUA1745-0AAA03.book Page 11 Friday, April 8, 2005 12:34 PM Switch 3870 Front View Detail Figure 1 Switch 3870 (24 ports) front view Figure 2 Switch 3870 (48 ports) front view Page Tab le 4 LED behavior Page Switch 3870 Rear View Detail Tab le 5 Maximum Stack Configurations Tab le 6 Default Settings Default Settings one of the Switch units, it is returned to these defaults. Page Page 2 Package Contents Choosing a Suitable Site Rack-mounting Placing Units On Top of Each Other The Power-up Sequence Page SFP Operation Page Page Page 3 30 CHAPTER 3: SETTING UP FOR MANAGEMENT DUA1745-0AAA03.book Page 30 Friday, April 8, 2005 12:34 PM Setting Up Overview Configure IP information manually for your Switch or view the automatically configured IP information Prepare for your chosen method of management Figure 6 Initial Switch Setup and Management Flow diagram Page Page Manually Configuring IP Information Page Page Viewing Automatically Configured IP Information Page Page Methods of Managing a Switch Setting Up Command Line Interface Page Setting Up Web Interface Management Setting Up SNMP Default Users and Passwords Page 4 Solving Problems Indicated by LEDs Solving Hard ware Problems Page Solving Communication Problems Page Page Page A Power Cord Set Japan Important Safety Information Page Linformation de Scurit Importante Page Page Wichtige Sicherheitsinformationen Informacin de seguridad importante Page Page Importanti Informazioni di Sicurezza Page Wane informacje o zabezpieczeniach Page Page Page B Null Modem Cable PC-AT Serial Cable Modem Cable RJ-45 Pin Assignments Pin assignments are identical for 10/100 and 1000 RJ-45 connectors. Table11 Pin assignments Page C Switch 3870 (24 Port) Switch 3870 (48 Port) D P Register Your Product to Gain Service Benefits Purchase Value-Added Services Troubleshoot Online Access Software Downloads Contact Us Telephone Technical Support and Repair Page Page I A C D E S T W Page Page REGULATORY NOTICES FCC S I NFORMATION T O T HE U CSA S VCCI S