NEC ND-71762(E) system manual CCT Circuit Card

MAINTENANCE PROCEDURE

5.3 CCT Circuit Card

(1)Procedure for Extraction:

START

Set the MBR switch of the CCT card UP.

Note : As for the 24 CCT card, set the SW01/13B-1, 2 UP.

Set the MB switch of the CCT card UP.

The OPE lamp (green) goes out and the N-OPE lamp (red) illuminates on the CCT card.

Extract the CCT card from its mounting slot.

END

(2)Procedure for Insertion:

START

Set the MBR switch and MB switch on the CCT card UP.

Note : As for the 24 CCT card, set the SW01/13B-1, 2 UP as MBR switch set.

Insert the CCT card into its mounting slot.

Set the MBR switch and MB switch on the CCT card DOWN.

The OPE lamp on the CCT card illuminates.

END

ND-71762 (E)CHAPTER 8

Page 121

Issue 2