Furuno FAR-2107 Series Service Manual page 351

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2. Connection of PC to Processor unit (RPU-013)

Connect a cross cable 9P D-sub (female - female) between the serial port of the PC and

the RS-232C port of the Processor unit as shown below.

3. Notes for updating

1) Never turn off the power during the updating the DRAW program. If updating is not

completed successfully, the screen shows nothing and re-updating is disabled. When

this occurs, the SPU board should be replaced or update by the Mini-program card is

required. See page5-9.

2) In updating the RFC program, if the next step does not start with the message "NOW

ERASING Message...." displayed for 30 seconds or more, try again.

3) The SPU board uses three CPU programs: MAIN, ARPA, and DRAW CPU and

FPGA Program. Each program is isolated.

4) The table below lists approximate time for updating.

Fig. 5.1.3 Connection for Program Updating

Updating Time

Updating Time

5.1 Overview

RS-232C Port