Panasonic VL-VM701 Installation And Operating Instructions Manual page 5

Bus wiring example
Example 2: 32 call buttons on the lobby station/6 lobby stations
E
B
#4
#3
#2
#1
F
A
G
H
#1 #2
C
System devices
R See page 23 for information about connections for power supply units.
No. Item
A Lobby station (VL-VM series)
*1 , *2
Main monitor
B
Power supply unit (VL-PS240)
C
D Power supply unit (VL-PS2410)
E Distributor (VL-VM701)
F Extension box (VL-V703)
K-IN connection device (example:
G access controller and/or open
door sensor, etc.)
H Electric lock
*1 See page 18 for specifications and information about supported models.
*2 VL-MV10 and VL-MWD501 support door bells. For VL-MWD501, a sound is played when the door bell is pressed,
but "Doorphone unavailable" is displayed on the screen (this is normal).
D
C
#3
Star wiring
Up to 1
Up to 32 (depending on the composition of the lobby station's
modules)
The number of required power supply units differs depending on the
number of devices used.
The number of required power supply units differs depending on the
number of devices used.
Up to 2
1 per lobby station
#8
#7
#6
#5
#4 #5
Bus wiring
Up to 6
– Up to 8
– Up to 1
Up to 2
1 per lobby station
1. Introduction
D
#6
5