Advertisement
FAX TX Signal
FAX RX Signal
3V
0
-3V
RJ45
8
7
6
5
SFG1
SA301
4
310V
TP152
3
TP153
SA302
310V
2
1
SA303
1000V
CN4
FG
SFG2
SA305
310V
TP154
TP155
SA306
310V
SA304
1000V
FG
(Send) 1
TP121
2
TP122
CN6
1
TP123
(Receive)
2
TP124
CN7
J323
0
(3216)
FG
J324
0
(3216)
FG2
DG
KX-TDA0187 SCHEMATIC DIAGRAM No.3
+15V
TP394
TP398
TP399
TP400
TP436
SW302
TP401
1
2
TP437
3
FIL301
4
+15V
5
1
8
6
2
7
3
6
7
4
5
8
9
TP438
10
11
12
TP439
TP402
TP403
TP395
D314
R376
2
1
Q301
220
C
B
LOOPB
2125
LOOPB
RL301
E
1
- 8
+
TP404
DG
4
TX+
3
2
7
6
5
TX-
TX-
TP396
TP397
D315
R378
2
1
Q302
220
C
R381
B
1K
RL302
E
DG
1
+
- 8
TP405
RX+
DG
4
3
RX+
2
7
6
RX-
5
RX-
PRI Brock
T301
1
10
TP165
3
8
D309
TP160
RLZ2.4B
5
6
D310
C342
+5V
RLZ2.4B
NC
DG
T302 1
10
TP166
3
8
D311
TP161
RLZ2.4B
6
5
D312
C343
RLZ2.4B
NC
DG
TX+
TP163
TP167
R301
NC
TP168
R302
TP169
NC
R303
R305
NC
NC
TP164
R304
NC
T303
1
2
3
TP162
C344
5
6
33p
C345
33p
T304
1
5
C346
2
6
33p
C347
33p
E1/T1 Brock
(1)
+5V
J311
NC
FIL303
TP704
3
1
(2)
2
C302
2125
NC
NC
(3)
C303
NC
(4)
+5V
C304
D301
NC
J312
1
6
(5)
2
5
NC
3
4
FIL304
DG
3
1
(6)
DG
2
C305
2125
NC
NC
(7)
C306
NC
(8)
C307
NC
(9)
DG
(10)
TP171
SW301
12
11
10
R307
NC
9
8
7
6
5
TP172
(11)
4
R306
3
2
(12)
NC
1
TP170
TP173
(13)
(14)
TP174
(15)
+5V
(16)
DG
(17)
(18)
(19)
(20)
DG
(21)
Advertisement
