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43
KX-NCP1173XJ
13.1.2. IC300, IC302 (CODEC)
IC No.
Pin No.
Pin name
Signal
name
I/O
ACT
Description
Remarks
IC300
40
SO1_1
O
-
EXT0
Not used
41
SO1_0
BELL0
O
H
Bell signal issue
37
SB1_2
I
H
Not used
38
SB1_1
DIAG0
O
H
Self-diagnosis switching
39
SB1_0
O
H
Not used
35
SI1_1
HOOK0
I
L
Off-hook detection
36
SI1_0
EST0
I
H
DTMF detection
43
SO2_1
O
-
EXT1
Not used
42
SO2_0
BELL1
O
H
Bell signal issue
46
SB2_2
I
H
Not used
45
SB2_1
O
H
Not used
44
SB2_0
O
H
Not used
48
SI2_1
HOOK1
I
L
Off-hook detection
47
SI2_0
EST1
I
H
DTMF detection
6
SO3_1
O
-
EXT2
Not used
7
SO3_0
BELL2
O
H
Bell signal issue
3
SB3_2
I
H
Not used
4
SB3_1
O
H
Not used
5
SB3_0
O
H
Not used
1
SI3_1
HOOK2
I
L
Off-hook detection
2
SI3_0
EST2
I
H
DTMF detection
9
SO4_1
O
-
EXT3
Not used
8
SO4_0
BELL3
O
H
Bell signal issue
12
SB4_2
I
H
Not used
11
SB4_1
O
H
Not used
10
SB4_0
O
H
Not used
14
SI4_1
HOOK3
I
L
Off-hook detection
13
SI4_0
EST3
I
H
DTMF detection
IC302
40
SO1_1
O
-
EXT4
Not used
41
SO1_0
BELL4
O
H
Bell signal issue
37
SB1_2
I
H
Not used
38
SB1_1
O
H
Not used
39
SB1_0
O
H
Not used
35
SI1_1
HOOK4
I
L
Off-hook detection
36
SI1_0
EST4
I
H
DTMF detection
43
SO2_1
O
-
EXT5
Not used
42
SO2_0
BELL5
O
H
Bell signal issue
46
SB2_2
I
H
Not used
45
SB2_1
O
H
Not used
44
SB2_0
O
H
Not used
48
SI2_1
HOOK5
I
L
Off-hook detection
47
SI2_0
EST5
I
H
DTMF detection
6
SO3_1
O
-
EXT6
Not used
7
SO3_0
BELL6
O
H
Bell signal issue
3
SB3_2
I
H
Not used
4
SB3_1
O
H
Not used
5
SB3_0
O
H
Not used
1
SI3_1
HOOK6
I
L
Off-hook detection
2
SI3_0
EST6
I
H
DTMF detection
9
SO4_1
O
-
EXT7
Not used
8
SO4_0
BELL7
O
H
Bell signal issue
12
SB4_2
I
H
Not used
11
SB4_1
O
H
Not used
10
SB4_0
O
H
Not used
14
SI4_1
HOOK7
I
L
Off-hook detection
13
SI4_0
EST7
I
H
DTMF detection
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