64 I NDEXpower supplies, WX4400 34requirements 25requirements, MAP connections 28requirements, tools 29tabletop 33troubleshooting 53warnings, earth grounding 30warnings, gigabit Ethernet fiber 26warnings, overcurrent 30warnings, service 9internet support 58invalid certificate, troubleshooting 53KKnowledgebase 57LLEDs 16Link 41linkgigabit Ethernet 45link, 10/100 Ethernet 41link, gigabit Ethernet 42, 43link, MAP 41management CPU 16power supply 16WX1200, WX4400, WX2200 16WXR100 18license keys 58links10/100 Ethernet 41gigabit Ethernet 42, 43, 45LEDs 16MAP 41Mmaintenance releases 58MAP (Managed Access Point)connections 39denial of configuration information,troubleshooting 54LEDs 17, 41model numbers 9modem settings 38Nnetwork cables 26network connections 39network plan, 3WXM 25Oobtaining technical support 58online problem solving 57out-of-band management port 14PportsEthernet 15power supplies 14installation, WX4400 34LEDs 16powering on 37product registration 57, 58Professional Services from 3Com 58purchasing license keys 58purchasing software upgrades 58Rrack mount installation 31radiosdenial of configuration information,troubleshooting 54registering your product 57, 58, 59repair authorization number by FAX, Asia and PacificRim 60repair services 58repair support for Latin America 60repair support for US and Canada 61repair support, Europe, Middle East, and Africa 60restart switch 14Restricted Software 58return authorization number (RMA) 59RF management 21RMA numbers 59roaming 20Ssending products to 3Com for repair 59serial consoleconnection 38settings 38troubleshooting 39serial console cable 26serial console port 14service benefits 57, 59services, repair 58software features 19software upgrades contract 58solving problems online 57