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