Pag 44
TECHNICAL FEATURES
Power supply:
12VDC ± 10% / 250mA
Operating temperature:
10 ~ 60 ºC
Guard Unit connections module:
‘+’
power supply (+12VDC)
‘
-
’
power supply (GND)
’Sa’
RS-485 (twisted data pair)
‘Sb’
RS-485 (twisted data pair)
‘2’
audio from apartments
‘6’
audio to apartments
‘Alt’
Output to loudspeaker
‘-’
loudspeaker negative (GND)
Wall telephone-type connector:
[BL] :
‘+’
power supply (+12VDC)
[OR] :
‘
-
’
power supply (GND)
[BK] :
’Sa’
RS-485 (twisted data pair)
[RD] :
‘Sb’
RS-485 (twisted data pair)
[WH] :
‘2’
audio from apartments
[BR] :
‘6’
audio to apartments
[YL] :
‘Alt’
Output to loudspeaker
[GR] :
‘-’
loudspeaker negative (GND)
-
Sa
6
Alt
-
2
To the installation
+
Sb
B
L
O
R
B
K
B
K
R
D
W
H
G
R
B
R
Y
L
SbSa
-
+
6
Alt
-
2