76
(MT11 - Gb2006)
I
NTERCOMS
*
V
IDEOINTERCOMS
*
T
ELECOMMUNICA
TION
Application diagrams
3 INTERCOMMUNICATING INTERCOMS
4 INTERCOMMUNICATING INTERCOMS
CT1
CT2
P1
C
9
9
C
P1
1
2
4
3
3
5
1
2
4
3
3
5
SR41
ST720
+ST701
+SR41
KM810
+ST701
+SR41
PT526E
+SR41
CT1
CT2
CT3
1
2
P1
C
P2
C
9
P1
C
9
C
P2
9
C
P1
C
P2
1
2
4
3
3
5
1
2
4
3
3
5
1
2
4
3
3
5
ST720
+ST701
+SR41
ST720
+ST701
+SR41
ST720
+ST701
+SR41
PT526E
+PT501
+SR41
PT526E
+PT501
+SR41
PT526E
+PT501
+SR41
SR41
CT1
CT2
CT3
CT4
1
2
3
P1
C
P2
C
P3
C
9
P1
C
P2
C
9
C
P3
P1
C
9
C
P2
C
P3
9
C
P1
C
P2
C
P3
1
2
4
3
3
5
1
2
4
3
3
5
1
2
4
3
3
5
1
2
4
3
3
5
ST720
+ST701
+SR41
ST720
+ST701
+SR41
ST720
+ST701
+SR41
ST720
+ST701
+SR41
PT526E
+PT501
+SR41
PT526E
+PT501
+SR41
PT526E
+PT501
+SR41
PT526E
+PT501
+SR41
SR41
2 INTERCOMMUNICATING INTERCOMS
APPLICATION DIAGRAMS FOR INTERCOMMUNICATING SYSTEMS WITH COMMON ALTERNATE CURRENT CALL FROM EXTER-
NAL STATION AND ELECTRONIC CALL FOR EXTENSIONS
- To match with diagrams: Si 211L/5; Si 221L/5; Si 231L/5; Si 261L/1S
S
T
-
P
T
-
K
M
to power supply
to power supply
to power supply
- Do not forget to connect terminals C of the
additional buttons and install the SR41 elec-
tronic buzzer in every intercom.
- When using the intercom PT526E you must
connect the common terminal of the addi-
tional buttons to terminal 7.
- Do not forget to in-
stall the SR41
electronic buzzer
in every intercom.
5
1
9
2
3
0
P1
C
P
JP2
4 3
SR41
ST720
7
1
3
5
2
0
9
P1
P1
4 3
SR41
PT526E
5
1
9
2
3
0
P1
C
P
W1
4 3
SR41
KM810
5
1
9
2
3
0
P1
P2
C
P
C
P
JP2
4 3
SR41
ST720
7
1
3
5
2
0
9
P1
P2
P3
P1
4 3
SR41
PT526E
5
1
9
2
3
0
P1
P2
C
P
C
P
JP2
4 3
SR41
ST720
7
1
3
5
2
0
9
P1
P2
P3
P1
4 3
SR41
PT526E
- Do not forget to connect terminals C of the
additional buttons and install the SR41 elec-
tronic buzzer in every intercom.
- When using the intercom PT526E you must
connect the common terminal of the addi-
tional buttons to terminal 7.