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Farfisa ST 720 Technical Manual page 188

Electronic call systems

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ONE-WAY additional diagrams
1 VIDEO INTERCOM AND 6 INTERCOMS WITH INTERCOMMUNICATING SERVICE
B
9P
H
VC1
8
V
M
F
H
1
2
3
4
5
9M
1C
9R
PC
P
9
C
P1
C
P2
C
P3
C
P4
C
P5
C
P6
ST7100+
WB7100+
ST720+
WB700+
ST701
Read notes 1, 3 and 4 of page 176.
3 VIDEO INTERCOMS AND 4 INTERCOMS WITH INTERCOMMUNICATING SERVICE
S
T
B
U
9P
H
D
VC1
8
V
I
M
F
H
1
O
2
3
4
5
9M
1C
9R
PC
P
9
C
P1
C
P2
C
P3
C
P4
C
P5
C
P6
ST7100+
WB7100+
ST720+
WB700+
ST701
Read notes 1, 3 and 4 of page 176.
RL37
PRS210
IV
230V
127V
9R
7 9M
0
CT1
1
2
3
5
D
D
P1
P1
C
9
P2
C
P2
C
P3
P3
C
P4
P4
C
P5
P5
C
P6
P6
ST720+
ST720+
ST701
ST701
D = 100V-1A diode (type 1N4007).
RL37
IV
I
1281
230V
A
127V
9R
7 9M
0
VC2
8
V
M
F
H
1
2
3
4
5
9M
9M
1C
1C
9R
9R
PC
PC
P
P1
P1
C
9
P2
C
P2
C
P3
P3
C
P4
P4
C
P5
P5
C
P6
P6
ST7100+
ST7100+
WB7100+
WB7100+
ST720+
ST720+
WB700+
WB700+
ST701
ST701
D = 100V-1A diode (type 1N4007).
RL37
B
9P
H
9R
7 9M
CT2
CT3
1
1
2
2
3
3
5
5
D
P1
C
C
P2
C
C
9
P3
C
C
9
C
C
P4
C
C
P5
C
C
P6
ST720+
ST701
RL37
B
9P
H
9R
7 9M
VC3
8
V
CT1
M
F
H
1
1
2
2
3
3
4
5
5
P
D
P1
C
C
P2
C
C
9
P3
C
C
9
C
C
P4
C
C
P5
C
C
P6
ST720+
ST701
186
(MT11 - Gb2006)
PRS210
IV
230V
127V
0
CT4
CT5
1
1
2
2
3
3
5
5
D
D
P1
P1
C
C
P2
P2
C
C
P3
P3
C
C
P4
P4
C
C
9
P5
C
C
P5
9
C
C
P6
P6
ST720+
ST720+
ST701
ST701
PRS210
IV
230V
127V
0
CT2
CT3
1
1
2
2
3
3
5
5
D
D
P1
P1
C
C
P2
P2
C
C
P3
P3
C
C
P4
P4
C
C
9
P5
C
C
P5
9
C
C
P6
P6
ST720+
ST720+
ST701
ST701
CT6
1
2
3
5
D
P1
1
C
P2
2
C
P3
3
C
P4
4
C
P5
5
C
P6
6
C
9
ST720+
ST701
CT4
1
2
3
5
D
P1
1
C
P2
2
C
P3
3
C
P4
4
C
P5
5
C
P6
6
C
9
ST720+
ST701

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