D20/D200
Installation and Operations Guide
GE Energy
994-0078-2.00-7 General
26
Full
Familiarization, continued
D20: Supplying
Power
There are various power supply options for a D20 system:
• Standard Chassis-mounted Power Supplies
• Auxiliary Power Supplies
• Redundant Power Supplies
D20 Power
Supply
The chassis-mounted power supply modules are switch-mode converters that provide
output power for the D20ME/ME II board, VME cards, modems and D20 Peripheral
I/O modules, as required.
External Power
Supplies
If you have an extended system with more than five peripherals, then the chassis-
mounted D20 Power Supply will not be adequate. You will need to install an
external power supply.
Redundant
Power Supplies
A redundant power supply provides fail-over protection and ensures continuous
power to the unit.
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