Contents

Specifications 57

Default Settings 61

Optional Components 63

Power Supplies and IP Phone Power Module 63 Mounting Plates and Spacers 64

Power Options 65

Using an Integrated Switch with Power Over Ethernet 66 Using Ethernet Multi-port Midspan Power Supply 67 Using a Single-port Ethernet Power Supply 69

Using the 3Com Local Power Supply 70

Installation Planning

73

 

Troubleshooting 75

 

 

Troubleshooting Matrix

76

 

One-Year Free Installation Support

79

Online Technical Services

79

 

Technical Support 79

 

Support from Your Network Supplier

81

Support from 3Com 82

 

 

Returning Products for Repair 82

 

3Com Corporation Limited Warranty

83

Limited Warranty and Regulatory Compliance Information

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3Com 3CNJ205 manual Specifications Default Settings Optional Components