User's Manual
Table Of Contents
- 1. INTRODUCTION
 - 2. INSTALLATION
 - 3. SWITCH MANAGEMENT
 - 4. WEB CONFIGURATION
- 4.1 Main Web Page
 - 4.2 System
 - 4.3 PoE Configuration
 - 4.4 Basic Configuration
 - 4.5 VLAN Configuration
 - 4.6 QoS Configuration
 - 4.7 ACL Configuration
 - 4.8 Security
 - 4.9 Advanced Features
 - 4.10 Monitoring
 
 - 5. COMMAND LINE INTERFACE
 - 6. Command Line Mode
 - 7. SWITCH OPERATION
 - 8. Power over Ethernet Overview
 - 9. TROUBLESHOOTING
 - APPENDEX A: Networking Connection
 - APPENDIX B: GLOSSARY
 
User’s Manual of FGSW-Series 
198 
Figure 8-1: Power Supplied over the Spare Pins 
The data pairs are used. Since Ethernet pairs are transformer coupled at each end, it is possible to apply DC power to the 
center tap of the isolation transformer without upsetting the data transfer. In this mode of operation the pair on pins 3 and 6 and 
the pair on pins 1 and 2 can be of either polarity.   
Figure 8-2: Power Supplied over the Data Pins 










