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6
7
R103
R105
5
(
)
(
)
IC109-2
+24VA
2
R104
8
R106
1
IC110-1
R101
(
)
(
3
(
)
(
)
4
R102
2.0V
HANDSET, MONITOR
FAX RX
CN101
EX_HOOK1
EX_HOOK1
1
BELL
BELL
2
LINE_RLY
LINE_RLY
3
DCN
DCN
4
SPMUTE
SPMUTE
5
HOOK
HOOK
6
MPOS
MPOS
7
LINEIN
8
LINEOUT
9
SPOUT
10
L121
HSTX(+)
11
0
HSTX(-)
12
HSRX(+)
13
L122
HSRX(-)
14
0
+24V
15
+5VA
16
AG
17
CN106
+5VD
1
DG
2
MONITOR
3
EX_HOOK2
EXHOOK2/CSI(I)
4
BREAK
BREAK/CSO(O)
5
E_RECALL/F_CID
E_RECALL/CCLK(O)
6
HS_ALC
HS_ALC/CBUSY1(I)
7
P_SHORT
P_SHORT/CBUSY2(O)
8
DTMFIMP
DTMPIMP/CRESET(O)
9
SIDE_TONE
SIDE_TONE/S_ENB(O)
10
+24VA
8
2
+5VA
1
IC109-1
+12VA
R109
3
(
)
4
Q101
Q102
6
7
5
)
IC110-2
R113
R115
C127
(
68k
180k
C119
C121
C129
(
)
J120p
K0.1u
+24VA
IC101-1
C226
2
8
C113
J10p
J103
1
R116
C128
3
0
C117
(
Z2.2u
4
68k
Z0.1u
C130
(
)
(
)
K0.1u
C122
C221
+12VA
D103
(
)
(
C126
J68p
R111
R118
(
)
0
C124
(
)
C110
R108
R112
6
56k
K0.082u
5
IC101-2
C220
J10p
R131
100
C135
+24V
+5VA
K0.01u
J102
0
+5VD
J104
0
J105
0
R127
(
)
R128
33k
C133
K0.039u
J106
R130
Q103
(
)
R123
)
(
)
R124
)
(
)
R134
R136
18k
0
(
)
(
)
C138
C143
D104
)
R139
C136
50V 4.7u
R122
Q104
270k
Not Used
7
(DTMF RETURN LOSS)
12V
HANDSET
FAX TX
+5VD
+5VD
R135
R142
4.7k
4.7k
3
1
R141
2
4
3
4
100
SW101
C146
SW102
K0.01u
+24V
Q125
+5VA
+5VD
+12VA
R145
(
)
R146
0
T101
8
1
7
2
6
3
5
4
C153
1
5
50V 4.7u
3
2
R153
Q105
2.7K
+5VD
R155
4
1
PC107
3
2
1
2
R159
10k
R230
10k
Q124
+24VA
R164
C161
K0.018u
15k
+5VD
R165
R157
(
)
(
)
1
4
Q106
C164
2
3
(
)
+5VD
4
1
PC106
3
2
D109
Q108
Q107
D110 D112
J151
D111
2.0B
C162
220
K0.033u
R158
220
R163
(
)
J160
(
)
J159
(
)
FLT106
3
1
2
4
+5VA
IC102
1 CD
8
VIN2
CN105
2 FC2
7
GND
1 SP[+]
3 FC1
6
VCC
2 SP[-]
4 VIN
5
VIN1
R169
10k
C167
K1000p
2.1V
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
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