
SMP100-xxx
TYPICAL APPLICATIONS
1 - Primary protection module
3 * SMP100
Line
Card
MDF
2 - Line card protection
- Vbat
PTC
R
LINE A
RING
RELAY
LINE B
PTC
3 * SMP100
3 - ISDN: U interface protection
Integrated
SLIC
220
nF
R
LCP1511D
PTC
3 * SMP100
PTC
1/2 DA108S1
R3
R4
R6 + 5 V
R5
Internal
circuitry
Feeder
6/9