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ND-71762 (E) CHAPTER 8
Page 117
Issue 2
MAINTENANCE PROCEDURE
On the CCH card, set the MBR switch (SW01-1, 2) UP .
On the CCH card, set the MB switch UP and extract the card
from its mounting slot.
Make switch setting on a new CCH card, referring to the
replaced card.
On the new CCH card, set the MBR and MB switches UP
and insert the card into its mounting slot.
On the new CCH card, set the MB switch DOWN .
On the new CCH card, set the MBR switch DOWN .
Check whether the fault is still indicated.
Check by replacing the CCH
card with spare
A
END