SEAL-O-RING 3P0654 - Caterpillar

CPU - Central Processing UnitNEMA - National Electrical Manufacturers AssociationI/O - Input/OutputISA - Industry Standard ArchitecturePCI - Peripheral Component InterconnectUSB - Universal Serial BusThe illustrations that follow show the features of the 203-7811 Engine Monitoring Control Group and the 203-7810 Engine Monitoring Control Group .Monitor
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(1) Display (2) Indicators (3) Bezel With Stud Mounting (Standard NEMA Type 4)Connectors
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(4) I/O Card (5) CPU Card (6) Shared PCI/ISA Expansion Slot (7) Serial Port 1 (DB9) (8) Backlight Dimming Control (9) PCI Slot (10) Video Port (HD-15) (11) Ethernet Connection (RJ45) (12) Parallel Port (DB25) (13) 2 USB Ports (14) 3.5" Internal Hard Drive (15) PS/2 Keyboard Connector (Mini DIN) (16) 3.5" Floppy Drive (17) PS/2 Mouse Connector (Mini DIN) (18) Cooling Fan and Filter (Bottom)Indicators
The following tables describe the indicators on the monitor. The labels for the indicators are symbols.
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Diagnostic Indicator
Table 1
Position    Color    Description    
Left     Red     Diagnostics    The diagnostic indicator shows when one of the following conditions exists:Over Temperature - The temperature inside of the monitor enclosure is above the defined threshold.Fan Sensor - The system fan is not operating within the defined thresholds.Voltage - The voltages are not within the specifications.Refer to Troubleshooting, "Diagnostic Indicator Is On - Troubleshoot" for information on resolving diagnostic conditions.
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Hard Drive Access Indicator
Table 2
Position    Color    Description    
Center     Green     Hard Drive Access    
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Power On Indicator
Table 3
Position    Color    Description    
Right     Green     Power On    Backlight Dimming Control
Use the backlight dimming control (8) in order to vary the screen lighting for optimum viewing.Turn the control clockwise in order to increase the brightness of the display. Turn the control counterclockwise in order to dim the display backlight.