78
(MT11 - Gb2006)
I
NTERCOMS
*
V
IDEOINTERCOMS
*
T
ELECOMMUNICA
TION
S
T
U
D
I
O
Application diagrams
CT1
CT2
CT3
CT4
ST720+
ST701+
ST704
ST720+
ST701+
ST704
ST720+
ST701+
ST704
ST720+
ST701+
ST704
1
2
3
AP
1
2
9
3
5
3A
P1
C
9A
C
P2
C
P3
1
2
9
3
5
3A
9A
C
P1
C
P2
C
P3
RL37
230V
127V
0
PRS210
P1
C
P2
C
P3
C
9A
1
2
9
3
5
3A
9M
9R
9P
1
2
9
3
5
3A
P1
C
P2
C
9A
C
P3
CT1
CT2
CT3
ST720+
ST701+
ST704
ST720+
ST701+
ST704
ST720+
ST701+
ST704
1
2
AP
1
2
9
3
5
3A
P1
C
9A
C
P2
1
2
9
3
5
3A
9A
C
P1
C
P2
P1
C
P2
C
9A
1
2
9
3
5
3A
CT1
CT2
ST720+
ST701+
ST704
ST720+
ST701+
ST704
AP
1
2
9
3
5
3A
9A
C
P1
P1
C
9A
1
2
9
3
5
3A
3 INTERCOMMUNICATING INTERCOMS
4 INTERCOMMUNICATING INTERCOMS
2 INTERCOMMUNICATING INTERCOMS
APPLICATION DIAGRAMS FOR INTERCOMMUNICATING SYSTEMS WITH COMMON ELECTRONIC CALL FROM EXTERNAL
STATION AND ELECTRONIC CALL FOR EXTENSIONS
- To match with diagrams: Si 211L/5S; Si 221L/5S; Si 231L/5S; Si261L/1S
to power supply
to power supply
to power supply
- Do not forget to connect terminals C of
the additional buttons and install the
ST704 speaker module in every inter-
com.
5
1
9
2
3
0
P1
P2
C
P
C
P
JP2
9A 3A
ST704
- Do not forget to install the ST704
speaker module in every intercom.
5
1
9
2
3
0
P1
P2
C
P
C
P
JP2
9A 3A
ST704
- Do not forget to connect terminals C of
the additional buttons and install the
ST704 speaker module in every inter-
com.
5
1
9
2
3
0
P1
C
P
JP2
9A 3A
ST704
ST720
ST720
ST720