DTM System MIC-PSOS, User Manual, Page: 3 / 4

ENGLISH
M
G
P
L
U
Z
SW
OUT
+
~
-
M
G
P
L
U
Z
1. GENERAL INFORMATION
MIC-PSOS is a dedicated external microphone for the receiver of privileged vehicles signals PERFECT-SOS. It can be used in
places with unfavorable acoustic conditions where it is necessary to mount the microphone outside.
2. TECHNICAL DATA
power supply: 12-24V AC/DC
power consumption: 40mA
working temperature: -20°C / +55°C
external dimensions of the housing: 35x30x110 mm
housing:
ABS housing with polycarbonate cover
degree of protection: IP-54
weight: 50g
3. INSTALLATION OF MICROPHONE
3.1. Assembly
The external microphone is supplied in a surface-mounted housing of IP-54 tightness. It is intended for outdoor installation. Do
not mount the microphone in a place where it is difficult to receive an audible signal due to unfavorable acoustic conditions
(sound absorbing walls, other enclosures).
3.2. Electrical connection
On the mainboard of the external microphone, there is a screw connection to connect to the PERFECT-SOS receiver of
privileged vehicles signals.
The electrical connection should be made in accordance with the wiring diagram, Fig. 1, paying attention to the correct order of
the terminals. For connection use UTP cat.5 4x2x0.5mm2 cable, with a maximum length of 3 meters.
4. STATUS LED
Information on triggering the OUT output is signaled by the status diode of the PERFECT-SOS receiver. The LED visible
through the external microphone housing is shows the same information. In standby mode, the status LED blinks. At the
moment of switching the output on, depending on the set operating mode of the receiver, the diode:
ź
lights up for 1 second, then goes into standby mode (OUT 1S mode),
ź lights up permanently. Switching to standby takes place after resetting the trigger signal with the reset button (OUT
"latch" mode).
Fig 1. View of the external microphone board
and wiring diagram of connecting to the PERFECT-SOS receiver.
MIC-PSOS external microphone for the PERFECT-SOS receiver
user manual
DTM System
Made in Poland
SOS_MIC
status diode
microphone
PERFECT
SOS