![background image](http://html1.mh-extra.com/html/bticino/2-wire-video-door-entry-and-home-video-surveillance-system/2-wire-video-door-entry-and-home-video-surveillance-system_design-and-installation-manual_2825268139.webp)
OFF
BUS
BUS
OFF
BUS
BUS
MASTER
OFF
J 2
IN
SLAVE
OFF
J 2
OUT
SLAVE
ON
J 2
OUT
BUS
BUS
MASTER
OFF
J 2
IN
SLAVE
OFF
J 2
OUT
SLAVE
OFF
J 2
OUT
137
2 WIRE
VIDEO
DOOR
ENTR
Y AND
HOME
VIDEO
SUR
VEILLANCE
SY
STEM
N
= 1
= 2
P = ––
M = –
= –
N
= 1
= 2
P = ––
M = –
= –
eXamPle - an aUdiO Handset and a melOdiC Bell, in additiOn tO tHe BasiC videO Handset
APARtMENt 12
Basic video handset
Audio handset in parallel
Melodic bell
N1 = 1
N2 = 2
S = –
M = –
BuS
from floor shunt (346841) or audio/video node (F441)
* if the melodic bell is installed as last riser or line device, it is
necessary to install a line terminator, item 3499
3499*
N
= –
= 1
P = ––
M = –
= –
N
= –
= 1
P = ––
M = –
= –
N
= –
= 1
P = ––
M = –
= –
eXamPle - tWO videO Handsets in additiOn tO tHe BasiC videO Handset
APARtMENt 1
Basic video handset
First video handset in parallel
Last video handset in parallel
handset BuS
from floor shunt (346841) or audio/video node (F441)
this variation is
NOT
possible for handsets without MAStER/SLAVE function
N
= –
= 4
P = ––
M = –
= –
N
= –
= 4
P = ––
M = –
= –
N
= –
= 4
P = ––
M = –
= –
APARtMENt 4
Basic video handset
First video handset in parallel
Last video handset in parallel
handset BuS
344192
344082
346982
346983
346984
349412
349413
344192
344192
344192
344192
344192
344192