FAULT REPAIR PROCEDURES

12.3 Specific CCH/CCT Card Is Faulty

START

Check by replacing CCH/CCT card with a spare.

END

On CCH/CCT card, set the MBR switch UP.

On CCH/CCT card, set MBR switch UP and extract the card from its mounting slot.

Make switch settings on a new CCH/CCT card.

On new CCH/CCT card, set MBR and MB switches UP and insert the card into its mounting slot.

On new CCH/CCT card, set MB switch DOWN.

On new CCH/CCT card, set MBR switch DOWN.

Check whether the fault is still indicated.

CHAPTER 5

NDA-24300

Page 384

Issue 1

Page 411
Image 411
NEC NDA-24300 manual Specific CCH/CCT Card Is Faulty, Check by replacing CCH/CCT card with a spare