Read Panasonic KX-NCP1174XJ (serv.man2) Service Manual online
55
KX-NCP1174XJ
CODECIC250
EXT8
SO1_1
O
L (Fixed)
SO1_0
BELL8
O
H
Ringer output
SB1_2
O
+5V pull up
SB1_1
O
H
SB1_0
O
+5V pull up
SI1_1
HOOK8
I
L
Off-hook detection
SI1_0
DT_EST8
I
H
DTMF detection
EXT9
SO2_1
O
L (Fixed)
SO2_0
BELL9
O
H
Ringer output
SB2_2
O
+5V pull up
SB2_1
I
H
SB2_0
O
+5V pull up
SI2_1
HOOK9
I
L
Off-hook detection
SI2_0
DT_EST9
I
H
DTMF detection
EXT10
SO3_1
O
L (Fixed)
SO3_0
BELL10
O
H
Ringer output
SB3_2
O
+5V pull up
SB3_1
O
H
SB3_0
O
+5V pull up
SI3_1
HOOK10
I
L
Off-hook detection
SI3_0
DT_EST10
I
H
DTMF detection
EXT11
SO4_1
O
L (Fixed)
SO4_0
BELL11
O
H
Ringer output
SB4_2
O
+5V pull up
SB4_1
O
H
SB4_0
O
+5V pull up
SI4_1
HOOK11
I
L
Off-hook detection
SI4_0
DT_EST11
I
H
DTMF detection
CODECIC251
EXT12
SO1_1
O
L (Fixed)
SO1_0
BELL12
O
H
Ringer output
SB1_2
O
+5V pull up
SB1_1
O
H
SB1_0
O
+5V pull up
SI1_1
HOOK12
I
L
Off-hook detection
SI1_0
DT_EST12
I
H
DTMF detection
EXT13
SO2_1
O
L (Fixed)
SO2_0
BELL13
O
H
Ringer output
SB2_2
O
+5V pull up
SB2_1
O
H
SB2_0
O
+5V pull up
SI2_1
HOOK13
I
L
Off-hook detection
SI2_0
DT_EST13
I
H
DTMF detection
EXT14
SO3_1
O
L (Fixed)
SO3_0
BELL14
O
H
Ringer output
SB3_2
O
+5V pull up
SB3_1
O
H
SB3_0
O
+5V pull up
SI3_1
HOOK14
I
L
Off-hook detection
SI3_0
DT_EST14
I
H
DTMF detection
EXT15
SO4_1
O
L (Fixed)
SO4_0
BELL15
O
H
Ringer output
SB4_2
O
+5V pull up
SB4_1
O
H
SB4_0
O
+5V pull up
SI4_1
HOOK15
I
L
Off-hook detection
SI4_0
DT_EST15
I
H
DTMF detection
CODEC
EXTENSION
PORT
PIN No.
SIGNAL NAME
I/O
ACT
DESCRIPTIONS
NOTES
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