G.Fast CO and DPU Side Protection Solution Products TISP4G024L1W Objective Compliance* G.Fast provides fast data transmission over a twisted pair of copper wire. This solution protects CO and DPU side ports against surge and power contact. ITU-T K.20 and K.45 Enhanced Alternate Recommendations Various G.Fast protection solutions are available depending on specific design constraints; contact your local Bourns technical representative for more information. Solution 1 Thyristor Surge Protector (TISP): TISP4G024L1W 1 Gas Discharge Tube (GDT) Surge Arrestor: 2026-42-C2LF 1 Transformer: SM51430EL 2026-42-C2LF Benefit This solution provides protection on the driver side without impairing the G.Fast signal. 50 Ω SM51430EL TISP4G024L1W +V 27 nF 100 nF –V 50 Ω Design Kit 2026-42-C2LF SM51430EL *The Bourns® model TISP4G024L1W Thyristor Surge Protector and model 2026-42-C2LF Gas Discharge Tube and model SM51430EL in conjunction help to ensure an application’s compliance to ITU-T K.20 and K.45 Enhanced. These components can withstand 10/700 μs surges as described in ITU-T K.20 Basic and K.45 Enhanced recommendation. 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. PN-DESIGNKIT-58 Americas: Tel +1-951 781-5500 EMEA: Tel +36 88 520 390 Fax +36 88 520 211 Fax +1-951 781-5700 Asia-Pacific: Tel +886-2 256 241 17 Fax +886-2 256 241 16 COPYRIGHT© 2016 • BOURNS, INC. • 5/16 • e/K1570 • “PortNote” is a registered service mark of Bourns, Inc. “Bourns” is a registered trademark 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]