Turning Power OFF
(1)
Before turning power off; inspect all line/trunk cards' busy lamps to verify that no card are operating.
(2)
Turn the SW1 switches of all the PZ-PW121 cards to OFF. First, turn OFF PIM0. Then, turn OFF
PIM1 to PIM7.
– 38 –
CHAPTER 2 INSTALLATION
PRECAUTIONS
NWA-008855-001 Rev.1.0
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