
P-2602HWNLI User’s Guide
22 Table of Contents
Chapter 27
Troubleshooting ................................................................................................... 351
27.1 Problems Starting Up the ZyXEL Device .......................................................351
27.2 Problems with the LAN ...................................................................................351
27.3 Problems with the WAN .................................................................................352
27.4 Problems Accessing the ZyXEL Device .........................................................353
27.4.1 Pop-up Windows, JavaScripts and Java Permissions ..........................353
27.4.1.1 Internet Explorer Pop-up Blockers ..............................................354
27.4.1.2 JavaScripts ..................................................................................357
27.4.1.3 Java Permissions ........................................................................359
27.5 Telephone Problems ......................................................................................361
Appendix A
Product Specifications ....................................................................................... 363
Power Adapter Specifications ................................................................................ 366
Appendix B
Setting up Your Computer’s IP Address............................................................ 369
Windows 95/98/Me................................................................................................. 369
Configuring ...................................................................................................... 371
Verifying Settings ............................................................................................. 372
Windows 2000/NT/XP ............................................................................................ 372
Verifying Settings ............................................................................................. 376
Macintosh OS 8/9................................................................................................... 376
Verifying Settings ............................................................................................. 378
Macintosh OS X ..................................................................................................... 378
Verifying Settings ............................................................................................. 379
Appendix C
IP Subnetting ........................................................................................................ 381
IP Addressing......................................................................................................... 381
IP Classes .............................................................................................................. 381
Subnet Masks ........................................................................................................ 382
Subnetting .............................................................................................................. 382
Example: Two Subnets .......................................................................................... 383
Example: Four Subnets.......................................................................................... 385
Example Eight Subnets.......................................................................................... 386
Subnetting With Class A and Class B Networks. ................................................... 387
Appendix D
About ADSL .......................................................................................................... 389
Introduction to DSL ................................................................................................ 389
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