CONNECTOR PIN FUNCTIONS
MTP850
TETRA Handportable Terminal / Basic Service Manual
B - 5
RSM Modes of Operation
Note: For additional information refer to the detailed service manual chapter: Theory of Operation.
GCAI Side Audio UC (Universal Connector) - for MTP850 S
and MTP850 FuG terminals only
MODE
OPTION
SELECT 1
(PIN #13)
OPTION
SELECT 2
(PIN #14)
AUDIO IN
(PIN #16)
DUMB
SEL 0
(PIN #12)
DUMB
SEL 2
(PIN #10)
MUTE
(PIN #9)
TERMIAL
OUTPUT
ACCESSORY ATTACHED
(SPEAKER AND MICROPHONE ARE OFF)
1
0
1
0
0
0
PTT SIMPLEX
(SPEAKER IS OFF MICROPHONE IS
ACTIVE, TERMINAL IS IN SIMPLEX MODE)
0
0
1
0
0
0
PTT TIC
(SPEAKER IS SWITCHED OFF,
MICROPHONE IS ACTIVE, TERMINAL IS IN
TELEPHONE INTERCONNECT MODE)
0
0
1
0
0
1
EMERGENCY SW
(SPEAKER IS OFF MICROPHONE
COULD BE ON OR OFF)
0
0
0
0
0
0
SPEAKER OFF
(MICROPHONE COULD BE ON OR OFF)
X
0
X
0
0
0
SPEAKER ON
(MICROPHONE OFF)
1
0
1
0
0
1
1
3
5
7
9
11
2
OPIO_0
Vbus
1-Wire
D+
D-
GND
Spkr +
Spkr -
Mic +
Mic -
GPIO_4
GPIO_3
4
6
8
10
12
Содержание MTP850
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