Table of Contents
6
Chapter 8
Troubleshooting ................................................................................................................................................................................................ 71
Power LED OFF ..................................................................................................................................................................................................... 71
Self Test LED Never Blinks or LED Stays ON ............................................................................................................................................... 71
Testing the LAN Path to Your Router ........................................................................................................................................................... 72
Testing the LAN Path from your PC to a Remote Device ...................................................................................................................... 72
Upgrading Firmware .......................................................................................................................................................................................... 73
Appendix A
LED Display .......................................................................................................................................................................................................... 74
Appendix B
Specifications ...................................................................................................................................................................................................... 75
Appendix C
FirstAid Agent for Emergency Firmware Upgrade ........................................................................................................................... 76
Loading a New Version of the AT-AR220E Firmware .............................................................................................................................. 77
Returning the AT-AR220E Parameters to the Default Settings ........................................................................................................... 82
Appendix D
Country and Territory Settings .................................................................................................................................................................. 83
Appendix E
Translated Electrical Safety and Emission Information ................................................................................................................. 86