W91550DN SERIES
- 2 -
PIN CONFIGURATION
1
20
33
52
64
NO.
NAME
NO.
NAME
NO.
NAME
NO.
NAME
1
KMUTE
17
5C
33
10C
49
C6
2
COM3
18
6A
34
V
SS
50
R1
3
1A
19
6B
35
DTMF
51
R2
4
1B
20
6C
36
B/M
52
R3
5
1C
21
7A
37
TEST
53
R4
6
2A
22
7B
38
V
DD
54
XT
7
2B
23
7C
39
HPM MUTE
55
XT
8
2C
24
8A
40
T/P
MUTE
56
HKS
9
3A
25
8B
41
ATS
57
HFI
10
3B
26
S/
M
42
DP
58
HFO
11
3C
27
8C
43
MODE
59
V
LCD
12
4A
28
9A
44
C1
60
CP
13
4B
29
9B
45
C2
61
CN
14
4C
30
9C
46
C3
62
COM1
15
5A
31
10A
47
C4
63
COM2
16
5B
32
10B
48
C5
64
LOCK