User's Manual
DMR repeater 18/02/2011 Versione 1.3
Documento Riservato - non divulgabile senza autorizzazione
Pag. 6 / 32
For further details about remote control software, refer to proper documentation (SW user manuals).
3 HARDWARE COMPOSITION OF A BASE STATION
3
3
.
.
1
1
P
P
S
S
U
U
:
:
P
P
O
O
W
W
E
E
R
R
S
S
U
U
P
P
P
P
L
L
Y
Y
U
U
N
N
I
I
T
T
M
M
O
O
D
D
U
U
L
L
E
E
Equipment is power supplied by nominal
13,8Vdc from battery with negative
shorted to ground and with a maximum
current absorption of 5 A. In case of
other power supply sources, other PSU
models are available, DC/DC (nominal
12-24-48V, isolated) or AC/DC (nominal
220V) with battery charger.
Input polarity and
over-current
protection
External I/O
polarity
Isolated external
I/O power supply
DC/DC 6.5Vcc
Space for optional
floating ground power
supply
Input lightening
protection