B - 4 MTH800 TETRA Handportable Terminal / Basic Service Manual CONNECTOR PIN FUNCTIONS
RSM Modes of Operation
Note: For additional information refer to the detailed service manual chapter: Theory of Operation.
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
01000
PTT SIMPLEX
(SPEAKER IS OFF MICROPHONE IS
ACTIVE, TERMINAL IS IN SIMPLEX MODE)
001000
PTT TIC
(SPEAKER IS SWITCHED OFF, MICRO-
PHONE IS ACTIVE, TERMINAL IS IN
TELEPHONE INTERCONNECT MODE)
0
01001
EMERGENCY SW
(SPEAKER IS OFF MICROPHONE
COULD BE ON OR OFF)
000000
SPEAKER OFF
(MICROPHONE COULD BE ON OR OFF)
X0X000
SPEAKER ON
(MICROPHONE OFF)
101001