User's Manual

NDA-24300 CHAPTER 5
Page 387
Issue 1
FAULT REPAIR PROCEDURES
13.3 Specific DCH/PRT Card Is Faulty
Check by replacing the DCH/PRT card with
a spare.
On DCH/PRT card, set MBR switch UP.
On DCH/PRT card, set MB switch UP and
extract the card from its mounting slot.
Make switch setting on a new DCH/PRT card.
On new DCH/PRT card, set MBR and MB
switches UP and insert the card into its
mounting slot.
On new DCH/PRT card, set MB switch
DOWN.
On new DCH/PRT card, set MBR switch
DOWN.
Check whether the fault is still indicated.
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