Chapter 12 Communication Power Supply
12-3
12.3 Connection Positions of Communication Power Supply
•
Single power supply termination connection
•
Single power supply central connection
The single power supply central connection allows supplying a total power capacity twice that of the single
power supply termination connection.
In this case, the maximum current capacity should be calculated in each section.
Termination
resistor
Device
Device
Device
Device
Communication
power supply
Power supply tap
Termination
resistor
Power supply tap
Device
Device
Device
Device
Section 1
Section 2
Communication
power supply
Termination
resistor
Termination
resistor