VDSL Over POTS ITU-T & GR-1089-CORE Solution Solution Products Objective Compliance VDSL circuits are sometimes combined ITU-T K.20, K.45, K.21 (Enhanced) with Plain Old Telephone Service (POTS) 6 kV 10/700 s Lightning Surge circuits. This solution protects those 600 V Power Induction rms communication ports against surge and 230 V Power Contact rms TBU-CA085-500-WH power contact threats. GR-1089-CORE Issue 6 Solution Alternate Recommendations 2 TBU High-Speed Protectors: Variations of this circuit are available depending on TBU-CA085-500-WH specic dfi esign constraints contact your local Bourns 1 GDT: 2020-42T-C2FLF technical representative for more information. 2 Telefuse Telecom Fuses: B1250T Benefit 2020-42T-C2FLF This solution provides protection to the voice and data circuits without impairing the VDSL 30 MHz signal. TBU-CA085-500-WH B1250T B1250T VDSL 2020-42T-C2FLF B1250T TBU-CA085-500-WH Design Kit SLIC Filter e sTh chematic above illustrates the application protection and does not constitute the complete PN-DESIGNKIT-43 circuit design. Customers should verify actual device performance in their specic afi pplications. Bourns PortNote solutions provide protection Americas: Tel +1-951 781-5500 recommendations for typical port threats. Fax +1-951 781-5700 Europe: Tel +41-(0)41 768 55 55 Asia-Pacific: Tel +886-2 256 241 17 For more information, go to: Fax +41-(0)41 768 55 10 Fax +886-2 256 241 16 www.bourns.com COPYRIGHT 2012 BOURNS, INC. 10/12 e/CPK1236 PortNote is a registered service mark of Bourns, Inc. or email: protection bourns.com Telefuse is a trademark of Bourns, Inc. Bourns and TBU are registered trademarks of Bourns, Inc. in the U.S. and other countries.