golmar CD-PLUS/4+N Instruction Manual page 8

CONNECTIONS
C
onnection to an IT-4N telephone interface.
TF-104
PRI SEC
~ ~ ~ ~
Main
BUS 4+N
BUS PLUS
+
A
C
onnection to 4+N compatible systems.
BUS 4+N
BUS PLUS
+
P1 10 5 3 0
3 5 10 0 P1
CD-PLUS/4+N
+
D VP VP MP MP SA
Malla
3 5 10 0 P1
CD-PLUS/4+N
+
A D VP VP MP MP SA
Malla
IT-4N
M PD DA RA RB LA LB PA
Monitor or Plus telephone
_
+
A D
To door panel
ANNOUNCEMENT
SYSTEM CONTROL
INTERFACE
4+N
UNIT OR
PABX
Monitor or Plus telephone
_
+
A D
To door panel
PB
Telephone
Telephone line
8