T1/E1 ITU-T SOLUTIONS Solution Products Objective Alternate Recommendations T1 and E1 are common telephony Other PortNote™ Solutions: interfaces. This solution provides protection • T1/E1: GR-1089-CORE against surge and power contact. Specific solutions for ITU-T K.20 and IEC 61000-4-5 are also available. Contact your local Bourns technical resource. 2 Thyristors: TISP7015L1 2 Fuses: B1250T This solution provides protection without impairing the signal. ITU-T K.45 Basic ITU-T K.21 Basic Solution TISP7015L1 Benefit Compliance B1250T TXTIP TISP7015L1 B1250T T1/E1 Transceiver TXRING TRING RXTIP TISP7015L1 B1250T RXRING Design Kit TTIP RTIP RRING 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 13 Americas: Tel +1-951 781-5500 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 Fax +886-2 256 241 16 COPYRIGHT© 2010 • BOURNS, INC. • 04/10 • e/CPK1012 • “PortNote” is a trademark 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]