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(A) (B) (C)
Digital Volt Meter GND VDD2 VDD3 VDD1 GND J104
(D) (E)
PC RX TX J103 J102
PbF
J104 J103
J102
J101
CHARGE-
TP15
VDD2 TP15 TP20 Copper plate LINE_DC BLACK RED TP19 BUZ TP16 CLK VDD3 VDD1
(R)
Digital Volt Meter
12 2W CHARGE+ TP16
BUZ GND LINE_DC GND
AF Volt Meter
GND
(F)
Frequency Counter
Digital Volt Meter
CLK
A_1
L1T
DCP L1R L2R L2T L1T
L1R
(H)
DTMF Tester Call-ID Simulator BELL Simulator
Dummy Handset
ANT A_2 DCM
CN1
+
6.3V 47uF MIC AF OSC
150
SP AF Volt Meter GND ANT GND DCP
600 Loop Simulator AF Volt Meter
DECT Tester CMD60
DC POWER 6V AF OSC
(G) (Q)
OSC
(I) (J) (K) (L) (M) (N) (O) (P)
OSC