Ethernet Power Over Ethernet (PoE) SOLUTIONS Solution Products CDNBS08-PLC03-3.3 Objective Compliance Power over Ethernet (PoE) interfaces combine two Vp-p differential signals and nominal 48 VDC power. This solution provides protection for both the data and power signals. IEEE802.3af and IEEE802.11af IEC 61000-4-2 Level 4 (8 kV / 15 kV) Alternate Recommendations Other PortNote™ Solutions: • Ethernet - ESD Protection • Ethernet - Power Contact and Surge Protection Contact Bourns for PoE+ or Gbit PoE ports. Solution 2 TVS Diode Arrays: CDNBS08-PLC03-3.3 2 Rectifier Diode Arrays: CDNBS04-B08200 1 Discrete TVS Diode: SMBJ58A 1 Multifuse® PTC: MF-SMDF050 CDNBS04-B08200 MF-SMDF050 SMBJ58A PoE Power Supply MF-SMDF050 Dual Transformer PSE 4 5 1 RJ-45 Benefit This solution provides protection for PoE without impairing the Ethernet signal. CDNBS04-B08200 PD 4 5 1 CDNBS08-PLC03-3.3 Dual Transformer RJ-45 SMBJ58A Design Kit 6 7 8 PN-DESIGNKIT 2 Fax +1-951 781-5700 Europe: Tel +41-(0)41 768 55 55 Asia-Pacific: Tel +886-2 256 241 17 Fax +41-(0)41 768 55 10 CDNBS04-B08200 CDNBS08-PLC03-3.3 The schematic above illustrates the application protection and does not constitute the complete circuit design. Customers should verify actual device performance in their specific applications. Americas: Tel +1-951 781-5500 6 7 8 Fax +886-2 256 241 16 COPYRIGHT© 2010 • BOURNS, INC. • 04/10 • e/CPK1003 • “PortNote” is a trademark of Bourns, Inc. “Bourns” and “Multifuse” are registered trademarks of Bourns, Inc. in the U.S. and other countries. Bourns® PortNote™ solutions provide protection recommendations for typical port threats. For more information, go to: www.bourns.com or email: [email protected]