3
2
1
J3
J2
J1
3
4
1
7
SN1
9
10
6
2
1
CA
9
10
6
2
1
CA
5
2
11
8
C1
C2
5
2
11
8
C1
C2
1
I
2
I
_ I
AP
I
SN1
AP
2
1
1
III
2
III
_
III
AP
III
SN3
1
II
2
II
_
II
AP
II
SN2
1
IV
2
IV
_
IV
AP
IV
SN4
2
1
4
5
2
1
2–
1+
3
2
1
MIHP/6
Panel 1
Call Buttons
SU
SD + RS
3
2
1
J3
J2
J1
3
2
1
4
5
2
1
2–
1+
3
2
1
MIHP/6
Panel 2
Call Buttons
SU
SD + RS
3
2
1
J3
J2
J1
3
2
1
4
5
2
1
2–
1+
3
2
1
MIHP/6
Panel 3
Call Buttons
SU
SD + RS
3
2
1
J3
J2
J1
3
2
1
4
5
2
1
2–
1+
3
2
1
J3
J2
J1
3
2
1
4
5
2
1
2–
1+
MIHP/6
Panel 6
3
2
1
Call Buttons
J3
J2
J1
3
2
1
4
5
2
1
2–
1+
MIHP/6
Panel 5
3
2
1
Call Buttons
MIHP/6
Panel 4
Call Buttons
SU
SD + RS
SU
SD + RS
SU
SD + RS
6
3
9
~12 ~0
SN2
4
1
7
SN1
5
2
11
8
C1
C2
6
3
9
~12
~0
SN2
4
1
7
SN1
6
3
9
~12
DIP
E
+
+12 ~0
~0
C1
C2 ~12 ~0
–
SN2
788/8
788/1
788/1
788/1
SU
SD
RS
SU
SD
RS
CALL LINE 2
CALL LINE 1
CALL LINE 3
CALL LINE 3
CALL LINE 2
CALL LINE1
(–) Negative
Common
(–) Negative Common
1131 Handset No. 2
1131 Handset No. 1
S500 TNG
PSU 12VDC
6 AMP
To Handset 3, 4, etc.
8
Noralsy Speaker MIHP/6
Audio Entry 5 or 6 Entrances
Automatic Switching
ELEC/INST/304X