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SLIC Protection
ITU-T Solution
Solution Products
TISP9110LDMR-S
CMF-SDP50A-2
Objective
The SLIC (Subscriber Line
Interface Circuit) provides all
the BORSCHT functions such as
battery, ringing and supervision
between the codec and telephone
handset. This PortNote? solution
protects SLIC interfaces against
surge and power contact threats.
Solution
1 Thyristor: TISP9110LDMR-S
1 PTC: CMF-SDP50A-2
+V BAT
220 nF
Compliance
ITU-T Basic for K.20, K.21, K.45
Alternate Recommendations
Other PortNote? Solutions:
? Negative Battery Voltage SLIC Protection - ITU-T Solution
? Negative Battery Voltage SLIC Protection -
GR-1089-CORE Intra-building Solution
? SLIC Protection - GR-1089-CORE Intra-building Solution
Benefit
This solution provides a high level of protection in
dual voltage ringing SLICs.
CMF-SDP50A-2
TISP9110LDMR-S
Design Kit
-V BAT
SLIC
220 nF
RJ11
PN-DESIGNKIT-39
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
Fax +1-951 781-5700
Bourns? PortNote? solutions provide protection
recommendations for typical port threats.
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? 2012 ? BOURNS, INC. ? 6/12 ? WAG ? e/CPK1128 ? “PortNote” is a registered service mark of Bourns, Inc.
“Bourns” is a registered trademark of Bourns, Inc. in the U.S. and other countries.
For more information, go to:
www.bourns.com
or email: protection@bourns.com
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相关PDF资料
PN-DESIGNKIT-7 KIT ESD DUAL SUPPLY VOLTAGE
PN-DESIGNKIT-8 KIT ESD RJ11 FAX/MODEM (FXO)
PN-DESIGNKIT-9 KIT ESD DRIVER SIDE PROTECTION
PNR-2601-C BOX W/CLR COVER 3.94X3.94X3.54"
PNR-2603-C BOX W/CLR COVER 4.72X3.15X3.35"
PNR-2604-C BOX W/CLR COVER 7.87X4.72X3.54"
PNR-2606-C BOX W/CLR COVER 9.45X4.72X3.94"
PNR-2608-C BOX W/CLR COVER 7.87X5.91X2.95"
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