NEC ND-71762(E) Telephone User Manual


 
CHAPTER 8 ND-71762 (E)
Page 122
Issue 2
MAINTENANCE PROCEDURE
5.4 PLO/OSC Circuit Card
(1) Procedure for Extraction:
(2) Procedure for Insertion:
START
END
Set the MB switch of the PLO/OSC card UP.
The OPE/CLKOUT lamp (green) goes out.
Extract the PLO/OSC card from its mounting slot.
START
END
Set the MB switch of the PLO/OSC card UP .
Insert the PLO/OSC card into its mounting slot.
Set the MB switch of the PLO/OSC card DOWN .
The OPE/CLKOUT lamp (green) illuminates.