SLIC Protection
ITU-T Solution
Solution Products
Objective
Compliance
e SLIC (Subscriber Line
ITU-T Basic for K.20, K.21, K.45
Interface Circuit) provides all
the BORSCHT functions such as Alternate Recommendations
battery, ringing and supervision
Other PortNote® Solutions:
between the codec and telephone • Negative Battery Voltage SLIC Protection - ITU-T Solution
handset. is PortNote® solution • Negative Battery Voltage SLIC Protection -
TISP9110LDMR-S
protects SLIC interfaces against
GR-1089-CORE Intra-building Solution
surge and power contact threats. • SLIC Protection - GR-1089-CORE Intra-building Solution
Solution
Benefit
1 yristor: TISP9110LDMR-S
1 PTC: CMF-SDP50A-2
is solution provides a high level of protection in
dual voltage ringing SLICs.
CMF-SDP50A-2
+V
BAT
220 nF
TISP9110LDMR-S
CMF-SDP50A-2
SLIC
RJ11
Design Kit
220 nF
-V
BAT
e 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-39
Bourns® PortNote® solutions provide protection
recommendations for typical port threats.
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