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2-14
2-3-5 Dual Power Supplies
Because diodes are contained in Power Supply Taps, these taps can be used to construct a dual power
supply system in the Network. Dual power supply differs from parallel operation of power supplies, so
the following restrictions apply.
H Restrictions
Dual power supply is basically used to ensure backup power supply, not parallel operation of power
supplies. Therefore, each power supply to be used must meet the power allocation specifications (i.e.,
must satisfy steps 1 and 2).
CompoBus/D Communications Line Design Chapter 2