Aiphone JM-4MED, Installation Manual

Page: 6 / 20

6
Selecting power supply method
The system allows you to select from the following methods for supplying power to the system. The maximum wiring distance differs
depending on the power supply method. You can also mix-and-match the methods
1 to 4 .
1
Supplying power directly to each unit from a single power supply
CAUTION
Be sure to distribute the output of the power supply close to the power supply.
PS24 PS24
DP
DP
DP
:
The following chart indicates how many units can be powered by a single power supply.
Combination of units Master station Sub master station Long distance adaptor
Master and sub master stations 1 4 -
Master and sub master stations with long distance adaptors 1 3 4
Sub master stations only - 6 -
2
Supplying power to sub master stations via wiring with the master station
PS24 PS24 PS24
The following chart indicates how many units can be powered by a single power supply.
Combination of units Master station Sub master station Long distance adaptor
Master and sub master stations 1 2 -
Master and sub master stations with long distance adaptors 1 2 4
Sub master stations only - 3 -
3
Connecting a power supply to the master and each sub master station individually
PS24 PS24 PS24 PS24 PS24 PS24 PS24 PS24
[A] [J]
[I] [I]
[B]
[A] [H] [H]
[E] [F] [G]
[A]
[B]
[D] [C]
Distribution point
: :
Master station Sub master station
[B]