Read Panasonic KX-NCP1174XJ (serv.man2) Service Manual online
54
KX-NCP1174XJ
13.1.2. IC201, IC202, IC250, IC251 (CODEC I/O Port)
CODEC
EXTENSION
PORT
PIN No.
SIGNAL NAME
I/O
ACT
DESCRIPTIONS
NOTES
CODECIC201
EXT0
SO1_1
O
L (Fixed)
SO1_0
BELL0
O
H
Ringer output
SB1_2
O
+5V pull up
SB1_1
DIAG_RLY0
O
H
Self diagnosis switching
SB1_0
O
+5V pull up
SI1_1
HOOK0
I
L
Off-hook detection
SI1_0
DT_EST0
I
H
DTMF detection
EXT1
SO2_1
O
L(Fixed)
SO2_0
BELL1
O
H
Ringer output
SB2_2
O
+5V pull up
SB2_1
O
H
SB2_0
O
+5V pull up
SI2_1
HOOK1
I
L
Off-hook detection
SI2_0
DT_EST1
I
H
DTMF detection
EXT2
SO3_1
O
L (Fixed)
SO3_0
BELL2
O
H
Ringer output
SB3_2
O
+5V pull up
SB3_1
O
H
SB3_0
O
+5V pull up
SI3_1
HOOK2
I
L
Off-hook detection
SI3_0
DT_EST2
I
H
DTMF detection
EXT3
SO4_1
O
L (Fixed)
SO4_0
BELL3
O
H
Ringer output
SB4_2
O
+5V pull up
SB4_1
O
H
SB4_0
O
+5V pull up
SI4_1
HOOK3
I
L
Off-hook detection
SI4_0
DT_EST3
I
H
DTMF detection
CODECIC202
EXT4
SO1_1
O
L (Fixed)
SO1_0
BELL4
O
H
Ringer output
SB1_2
O
+5V pull up
SB1_1
O
H
SB1_0
O
+5V pull up
SI1_1
HOOK4
I
L
Off-hook detection
SI1_0
DT_EST4
I
H
DTMF detection
EXT5
SO2_1
O
L (Fixed)
SO2_0
BELL5
O
H
Ringer output
SB2_2
O
+5V pull up
SB2_1
O
H
SB2_0
O
+5V pull up
SI2_1
HOOK5
I
L
Off-hook detection
SI2_0
DT_EST5
I
H
DTMF detection
EXT6
SO3_1
O
L (Fixed)
SO3_0
BELL6
O
H
Ringer output
SB3_2
O
+5V pull up
SB3_1
O
H
SB3_0
O
+5V pull up
SI3_1
HOOK6
I
L
Off-hook detection
SI3_0
DT_EST6
I
H
DTMF detection
EXT7
SO4_1
O
L (Fixed)
SO4_0
BELL7
O
H
Ringer output
SB4_2
O
+5V pull up
SB4_1
O
H
SB4_0
O
+5V pull up
SI4_1
HOOK7
I
L
Off-hook detection
SI4_0
DT_EST7
I
H
DTMF detection
Click on the first or last page to see other KX-NCP1174XJ (serv.man2) service manuals if exist.