TECHNICAL FEATURES
Power supply: 12VDC ± 10% / 250mA
Operating temperature: 10 ~ 60 ºC
Guard Unit connections module:
'+'
'-'
'Sa'
'Sb'
'2'
'6'
'Alt'
'-'
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)
NOTES:
*
The MDS-Direct Guard Unit only works with MDS-Direct version 2.0 panels (V.2.8
if you also want calls to Guard Unit in Mixed mode) and MDS-City V.1.1 or above.
*
There can only be one MDS-Direct Guard Unit in the entire installation.
*
The Guard Unit does not respect the timings of the MDS-Direct/City panels, being
always possible to interrupt a conversation.
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power supply (+12VDC)
power supply (GND)
RS-485 (twisted data pair)
RS-485 (twisted data pair)
audio from apartments
audio to apartments
Output to loudspeaker
loudspeaker negative (GND)
B
+
L
-
O
R
B
B
Sa
K
K
Sb
R
D
Sb
Sa
-
+
2
6
Alt
To the installation
W
2
H
B
6
R
Y
Alt
L
-
G
R
-