Furuno IB-681 Network Router User Manual


 
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4. Remove the CPU2 Board from the communication unit. See Figure 19 for location.
5. Replace the ROMs (I/O CPU and SYS CPU) on the CPU2 Board. See Figure 17 for
location. Mount the CPU2 Board.
U65
U67
DIP SW S1
JP2
BT1
C75
U37
U8
U5
SYS CPU
16501-05-110
I/O CPU
16501-06-106
CPU2 BOARD 16P0133
U55
U56
Figure 17 CPU2 Board
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