CONNECTOR PIN FUNCTIONS
MTP850
TETRA Handportable Terminal / Basic Service Manual
B - 3
Accessory Connector Pin-Outs
Note: For additional information refer to the detailed service manual chapter: Theory of Operation.
Pin
No. Signal Name (Short Form)
Power/
Default
States
USB
USB
OTG
Bluetooth
(RS232/
SSI)
RS232
(8 wire)
USB/
RS232
(6 wire)
JTAG
1
Power Ground (GND)
GND
GND
GND
GND
GND
GND
GND
2
Battery Feedback (BATT_FDBK) BATT_
FDBK
BATT_
FDBK
BATT_
FDBK
BATT_
FDBK
BATT_
FDBK
RTS
BATT_
FDBK
3
External Power (EXTB+)
EXTB+
EXTB+
EXTB+
EXTB+
EXTB+
EXTB+
EXTB+
4
USB+/TXD (D+)
D+
D+
TXD
TXD
D+
TDO
5
USB-/RXD (D-)
D-
D-
RXD
RXD
D-
TDI
6
USB Power/Ignition/Send/End /
RTS (USB_PWR)
USB_
PWR
USB_
PWR
RTS
RTS
USB_
PWR
RESET_
IN
7
Switched Battery (SWB+)
SWB+
SWB+
SWB+
SWB+
SWB+
SWB+
SWB+
8
Hook Switch / FM_DATA / CTS
(HKSW)
HKSW
CTS
CTS
CTS
Mcu
_DE
9
MUTE/FS/DCD (MUTE)
FS
DCD
DCD
Dsp
_DE
10 DUMB_SEL2/SCK/RI (DSEL2)
DSCEN
DSCEN
SCK
RI
TXD
TCK
11 DUMB_SEL1 / FM_CLOCK
/SRDA / DTR (DSEL1)
CABLE_
ID
SRDA
DTR
DTR
TMS
12 DUMB_SEL0 / FM_EN / STDA/
DSR (DSEL0)
DONGLE STDA
DSR
RXD
TRST
13 Option 1 (OPT1)
UPLink
UPLink
OPT1
OPT1
OPT1
OPT1
14 Option 2 (OPT2)
DNLink
DNLink
OPT2
OPT2
OPT2
OPT2
15 Audio Out On/Off (AUDIO_OUT) AUDIO_
OUT
AUDIO_
OUT
AUDIO_
OUT
AUDIO_
OUT
AUDIO_
OUT
AUDIO_
OUT
AUDIO_
OUT
16 Audio In (AUDIO_IN)
AUDIO_
IN
AUDIO_
IN
AUDIO_
IN
AUDIO_
IN
AUDIO_
IN
AUDIO_
IN
AUDIO_
IN
17 Audio Ground (AUDIO_GND)
AUDIO_
GND
AUDIO_
GND
AUDIO_
GND
AUDIO_
GND
AUDIO_
GND
AUDIO_
GND
AUDIO_
GND
Содержание MTP850
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