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OSC (Q) AF VOLT METER LOOP Simulator (G) (Q) 600
(Q) AF OSC
L1T
BELL Simulator Call - ID Simulator (I) (J) (K) (L) (M) RF Analyzer (N) (O) (P) PSU 6V DC + A_1 (ANT1 Select)
L1R
DTMF Tester (H)
A
DCM
PQUP11352Z A_1 ANT
DCP
(A)
L1R/TP_RLY4
L1T/TP_RLY2
L2T/TP_RLY3
TP_RLY1
(B)
VDD2 +2.5V
LINE_DC
TP_RLY5
L2R
VDD3 +3.3V
A_2
A_2 (ANT2 Select)
LINE_DC 0.9V off hook
CLK VDD3
(F) Frequency Counter (10.368MHz)
VDD4 +4.0V (C) VDD1 +1.8V
TP10
VDD4
VDD2
VDD1
TP23_JTAG
TP10 TX_AF
TP25 TP24
PbF
TP9 RX_AF
TP9