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1
36 37
109 108
144
72
8
5
1
8
14
7
1
1
4
8
71
814
5
4
73
OPV115
1
16
to the optional unit
30
J4
OPV2
OPV3
GND
OPT3
OPT2
OPT1
SIG_OUT
NC
BUSY
NC
MIC_IN
MIC_OUT
PTTO
PTTI
OPSCK
SI
OPSO
NC
CCS
REFMOD
AFOUT
DETO
RX_MUTE
232RX
232TX
NC
+8V
+5V
GND
1 36
to the MAIN unit J11
J3
232TX
232RX
GND
CLONE
POWON
LVIN
VOLOUT
C5V
+8V
+8V
+8V
EXSTB
GND
GND
SO
PLLCK
PLLSTB
OE
BSHIFT
DIGI_W
REF_V
UNLK
MODIN
TEMP
SCK
OPV1
MICGND
MICGND
+5V
+5V
+5V
IDET
DETO
CTCSS
SD
NOIS
9 - 2
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