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9.5.
IC10 (CODEC)
Line wire
Pin No.
port
CO13
CO14
CO15
CO16
Pin Name
Signal Name
40
SO1_1
SHNT12
41
SO1_0
DIAG12
37
SB1_2
DIAL12
38
SB1_1
BELLI12
39
SB1_0
REVDET12
35
SI1_1
CPCDET12
36
SI1_0
DT_STD12
43
SO2_1
SHNT13
42
SO2_0
DIAG13
46
SB2_2
DIAL13
45
SB2_1
BELLI13
44
SB2_0
REVDET13
48
SI2_1
CPCDET13
47
SI2_0
DT_STD13
6
SO3_1
SHNT14
7
SO3_0
DIAG14
3
SB3_2
DIAL14
4
SB3_1
BELLI14
5
SB3_0
REVDET14
1
SI3_1
CPCDET14
2
SI3_0
DT_STD14
9
SO4_1
SHNT15
8
SO4_0
DIAG15
12
SB4_2
DIAL15
11
SB4_1
BELLI15
10
SB4_0
REVDET15
14
SI4_1
CPCDET15
13
SI4_0
DT_STD15
I/O
ACT
Description
O
L
Pulse Control/Bell Receive Control
O
H
Self-Diagnosis Switching
O
L
Line Acquisition
I
L
Receiving Bell Signal
I
H/L Line Reversal Detection
I
H
Disconnect Detection
I
H
DTMF Detection
O
L
Pulse Control/Bell Receive Control
O
H
Self-Diagnosis Switching
O
L
Line Acquisition
I
L
Receiving Bell Signal
I
H/L Line Reversal Detection
I
H
Disconnect Detection
I
H
DTMF Detection
O
L
Pulse Control/Bell Receive Control
O
H
Self-Diagnosis Switching
O
L
Line Acquisition
I
L
Receiving Bell Signal
I
H/L Line Reversal Detection
I
H
Disconnect Detection
I
H
DTMF Detection
O
L
Pulse Control/Bell Receive Control
O
H
Self-Diagnosis Switching
O
L
Line Acquisition
I
L
Receiving Bell Signal
I
H/L Line Reversal Detection
I
H
Disconnect Detection
I
H
DTMF Detection
35
KX-TDA6181X
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