Filter
Top Products
CHAPTER 3 ND-71548 (E)
Page 76
Issue 2
INSTALLATION PROCEDURE
2. CONNECTION OF DC-DC CONVERTER FOR TELEPHONE SETS EQUIPPED WITH MESSAGE WAITING
LAMPS
NAP-200-008
Sheet 5/13
Connection of Power and Ground
Cables from the Power Equipment
START
Cable Running Referring to Figure 008-4, run the power and
ground cables.
Removal of shorting piece and cable
connection
Referring to Figure 008-5, remove the shorting
piece from the +80 V connector of PZ-M371 card,
and then connect the cable provided on the +80 V
Power Receiving Terminal Block to the +80 V
connector.
Confirming that the Circuit Breaker (NFB) of the Rectifier is OFF.
Connection of Power and Ground Cables Referring to Figures 008-4 and 008-5, connect the
power and ground cable to each terminal of the
equipment.
Check after cable connections Using a continuity tester, confirm that the –48 V
and +80 V power cable are not short-circuiting with
the G power cable or FE ground cables.
END