110
(MT11 - Gb2006)
1273TV. 7-CONTACT ANALOG EX-
CHANGER.
It is used in systems with 2 or more video
entrances for switching automatically the video
signals, the audio lines and door lock on the
calling entrance. Can be fixed on DIN bar or
with two expansion plugs. In housing DIN 8
modules A. For the switching of video signals it
is advisable to use terminals 8-8a-8b and 9-
9a-9b, being that they are physically closer.
Terminals
1 Power supply 13Vac-0.1A (15÷21Vdc)
2 Ground
3 and 4 Driver to switch the relay in “b” position
- ON position
5 and 6 Driver to switch the relay in “a” position
- OFF position
7,8,9,10,11,12,13
Common contact of relay
7a,8a,9a,10a,11a,12a, 13a OFF position of relay
contacts
7b,8b,9b,10b,11b,12b, 13b ON position of relay
contacts
1
2
3
1
2
3
MEMORY
ON (b)
OFF (a)
7b 7a 8b 8a 9b 9a
10b 10a 11b 11a 12b 12a 13b 13a
10
11
12
13
10
11
12
13
4
5
4
5
6
7
8
9
6
7
8
9
1473.
EXCHANGER. See page 33.
RL37. RELAY MODULE. See page 33.
1471.
RELAY UNIT. See page 34.
1471E. RELAY UNIT. See page 34.
1472.
2-CONTACT RELAY UNIT.
See page 34.
2443. AMPLIFIER-SWITCHER FOR INTER-
COMMUNICATING SYSTEMS.
It is suitable for video intercom systems where
it is necessary to have the intercommunicating
service in different flats with privacy towards
both outside and other users. Use one art.2443
in every intercommunicating flat. Can be fixed
on DIN bar or with two expansion plugs. In
housing DIN 4 modules A.
Terminals
F
General ground
B
Power supply 8Vdc-60mA
Power supply 13Vac-70mA
12
Connection toward the microphone of the
monitors
12a Audio output from door station (transmitter
channel)
13
Connection towards the loudspeaker of the
monitors
13a Audio input from the door station (receiver
channel)
14
Timed power supply for audio connection
toward the door station 12÷24Vdc-60mA
0
To connect to terminal F when the terminal
14 is powered to 12Vdc (terminal 8 of the
monitor)
Note
If it is necessary to adjust the volume of the
intercommunicating audio turn trimmer R5.
12a
AMPL.
13a
F
0
B
13
14
R5
12
I
NTERCOMS *
V
IDEOINTERCOMS
*
T
ELECOMMUNICA
TION
SERVICE MODULES
1443E
1282E
Use the trimmer to adjust the intercommunicat-
ing volume.
art.1443E
1443E. INTERCOMMUNICATING MODULE.
Added inside the timer art.1282E, it allows for
the intercommunicating service with privacy
towards the external station.
3 "
2
/
1
89
2
"
16
/
15
74
5 "
2
/
1
140
3
"
2
/
1
89
2
"
16
/
9
2
"
4
/
3
70
65
