Panasonic VL-VM701 Installation And Operating Instructions Manual page 4

1. Introduction
1.1.2 System configuration
Star wiring example
Example: 32 call buttons on the lobby station
#16
#15
#14
#13
#4
#3
#2
#1
Bus wiring example
Example 1: 16 call buttons on the lobby station
A
G
H
C
D
4
G H
A
D
#32
#30
#20
#18
E
#4
#3
#2
#1
B
#31
#29
#19
#17
B