3Com SuperStack 3 Switch 4400 Series - Page 11

Solving Software Upgrade Problems 61
A SAFETY INFORMATION
Important Safety Information 64
L’information de Sécurité Importante 65
Wichtige Sicherheitsinformationen 67
B PIN-OUTS
Null Modem Cable 69
PC-AT Serial Cable 69
Modem Cable 70
RJ-45 Pin Assignments 70
C TECHNICAL SPECIFICATIONS
Switch 4400 (24-port) and Switch 4400 SE 73
Switch 4400 PWR (24-port) 75
Switch 4400 (48-port) 76
D TECHNICAL SUPPORT
Online Technical Services 77
World Wide Web Site 77
3Com Knowledgebase Web Services 78
3Com FTP Site 78
Support from Your Network Supplier 78
Support from 3Com 79
Internet Support 79
Telephone Support 79
Returning Products for Repair 81
INDEX
REGULATORY NOTICES
DUA1720-3AAA05.book Page 11 Friday, March 7, 2003 11:53 AM