SOLUTIONS
T1/E1
ITU-T
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.
Solution
Contact your local Bourns technical resource.
2 Thyristors: TISP7015L1
2 Fuses: B1250T
Benefit
This solution provides protection without
Compliance
impairing the signal.
ITU-T K.45 Basic
ITU-T K.21 Basic
Solution Products
TISP7015L1
B1250T
TX
TIP
B1250T
TX
RING
RX
TIP
B1250T
RX
RING
TISP7015L1
T
TIP
T1/E1
Transceiver
T
RING
TISP7015L1
R
TIP
R
RING
Design Kit
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:
Europe:
Tel
+41-(0)41 768 55 55
Fax
+41-(0)41 768 55 10
Tel
+1-951 781-5500
Fax
+1-951 781-5700
Tel
+886-2 256 241 17
Fax
+886-2 256 241 16
Bourns® PortNote™ solutions provide protection
recommendations for typical port threats.
For more information, go to:
Asia-Pacific:
www.bourns.com
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.
or email: protection@bourns.com
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