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Service manual CS3000
Chapter 3: Loop processor board SPK-2 3-7
The circuit boards of the central unit
Document no.:
S-4-007.875/E
Prepared:
1995-03-17 Fia
Revision:
R4 2004-03-15 BM
© 2002, Consilium Marine AB
Jumpers
Model 3
JP1 Must always be strapped in normal operation. The strap enables the
watchdog.
JP2 Never strapped during normal operation.
JP1 and JP2 are only strapped differently during production when the card is
programmed the first time.
JP3 Normally strapped.
JP4 Normally strapped.
JP3 and JP4 can be used to enhance reception of loop communication in case of
loops with communication problems.
JP1
JP3
JP4
JP2