ContentsSpecifications 57Default Settings 61Optional Components 63Power Supplies and IP Phone Power Module 63Mounting Plates and Spacers 64Power Options 65Using an Integrated Switch with Power Over Ethernet 66Using Ethernet Multi-port Midspan Power Supply 67Using a Single-port Ethernet Power Supply 69Using the 3Com Local Power Supply 70Installation Planning 73Troubleshooting 75Troubleshooting Matrix 76One-Year Free Installation Support 79Online Technical Services 79Technical Support 79Support from Your Network Supplier 81Support from 3Com 82Returning Products for Repair 823Com Corporation Limited Warranty 83Limited Warranty and Regulatory ComplianceInformation
