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Appendix A: Interfaces
A-2
K1297-G20 Monitor User Manual
System Unit
The system unit contains the system processor PC as its main component.
The processor coordinates control and sequence of the user processes.
Further components are: keyboard, monitor, and floppy disk drive. A
switched mode mains power supply and regulated fans serve for supply
and ventilation of the modules.
CAUTION. Two green LEDs on the front of device indicate the active
operating state of the system processor and the SCSI connection. In alarm
state (fan or cooling alert), the LED turn red. In this case switch off the
device immediately and contact the service support.