4 PROBLEM SOLVING
Solving Problems Indicated by LEDs 58
Solving Hardware Problems 59
Solving Communication Problems 61
Solving Software Upgrade Problems 63
A SAFETY INFORMATION
Power Cord Set — Japan 66
Important Safety Information 66
L’information de Sécurité Importante 68
Wichtige Sicherheitsinformationen 70
Información de seguridad importante 72
Importanti Informazioni di Sicurezza 75
Ważne informacje o zabezpieczeniach 77
B PIN-OUTS
Null Modem Cable 81
PC-AT Serial Cable 81
Modem Cable 82
RJ-45 Pin Assignments 82
C TECHNICAL SPECIFICATIONS
Switch 4400 (24-port) and Switch 4400 SE 85
Switch 4400 PWR (24-port) 87
Switch 4400 (48-port) 89
Switch 4400 FX 91
D OBTAINING SUPPORT FOR YOUR PRODUCT
Register Your Product 93
Purchase Value-Added Services 93
Troubleshoot Online 94
Access Software Downloads 94
Telephone Technical Support and Repair 94
Contact Us 95
DUA1720-3AAA09.book Page 5 Wednesday, July 6, 2005 4:33 PM
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