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FP2−CCU
Functions of Computer Communication Unit
1 − 6
1.3 Restrictions on Units Combination
1.3 Restrictions on Units Combination
1.3.1 Restrictions on Current Consumption
The power supply (5 V DC) used to drive the internal circuits of the Computer
Communication Unit and other units is provided from the power supply unit, through the
backplane.
The overall current consumption, including the current used by other units, should not
exceed the rated capacity of the power supply unit.
Unit name Part No. Current consumption (at 5 V DC)
FP2 Computer Communication Unit FP2−CCU 60 mA or less
For information on the internal current consumptions of other units, please refer to the
“FP2/FP2SH Hardware Manual” and the manuals of the pertinent units.
1.3.2 Restrictions on Installation Position
The Computer Communication Unit can only be installed on the CPU backplane side.
It should not be installed on the expansion backplane. Also, it should be installed to the
right of the power supply unit and the CPU unit.
CPU backplane
Expansion backplane
Expansion
cable
Can be installed
only on the CPU
backplane
Computer
Communication Unit