Specifications

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3BUS 208 000 R1301 229Troubleshooting
MPRC LEDs
These LEDs are located on the MPRC board in the Scanning Platform electronics
cabinet. Use the following table to assist you in troubleshooting. Refer to
Table 11-3 and Figure 10-18 on page 219.
Table 11-3 MPRC 086349-002 LED Interpretation
LEDs DESCRIPTION
ERROR (red) This LED indicates status of local diagnostics; it is
under software control on a reset.
If the LED stays on after reset, replace the SMI.
If the LED is flashing, check the service console.
If the LED is off and the RUN light is flashing,
conditions are normal.
If there are no LEDs lit, check to make certain there
is power to the board.
RUN (green) This LED is driven by the data strobe and indicates
the level of 68332 external bus activity.
The intensity of the LED varies from dim to bright
depending upon bus activity.
RX TERMINAL When the LED is lit (flashing), there is a physical
connection to the terminal.
When the LED is not lit (flashing), the physical
connection to the terminal is broken.
RX HOST When the LED is lit (flashing), there is a physical
connection to the terminal.
When the LED is not lit (flashing), the physical
connection to the terminal is broken.