Use Manual

DMR repeater 24/01/2011 Versione 1.3
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Pag. 26 / 31
GPS
antenna
GSM /
GPRS
antenna
Main RX /
TX antenna
Diversity RX
antenna
12Vcc
Power
supply
Inhibit /
Power_good
contacts
Alarm
outputs
I/O
contacts
Audio line
interface
Analog
inputs
6V-12V output,
max 200mA
FAN
activation
RS232
port
Main RX /
TX antenna
6V-12V output,
max 200mA
FAN
activation
RS232
port
12Vcc
Power
supply
Alarm
outputs
I/O
contacts
Audio line
interface
Analog
inputs
Inhibit /
Power_good
contacts
MTCH terminations to be connected
together by an ethernet cord
For this example, the following picture shows how two repeaters should be connected to implement a
simulcast network with UHF links
. Two ethernet patch cord are needed to connect together the
MTCH ports and the ethernet ports of the two radios; they are represented in pink color.
l
GPS and
GSM/GPRS
antenna
LAN cable
GPSGSM/
GPRS
DMR master
Diversity RX
antenna
(broadcast),
if needed
Main RX /
TX antenna
(link)
Main RX /
TX antenna
(broadcast)
MTCH cable
GPS and
GSM/GPRS
antenna
LAN cable
GPSGSM/
GPRS
DMR slave
Diversity RX
antenna
(broadcast),
if needed
Main RX /
TX antenna
(link)
Main RX /
TX antenna
(broadcast)
MTCH cable