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1. You must hold the edge of a circuit card when plugging or unplugging the circuit card.
If you touch another area, you may be exposed to hazardous voltages.
2. You must wait for 30 seconds before plugging the circuit card again when unplugging the
circuit card while the operating power is being supplied.
CAUTION
PBX
NEVER TOUCH THE COMPO-
NENTS OR SOLDERED SUR-
FACE WITH BARE HANDS.
CARD FRONT
– 48 –
CHAPTER 2 INSTALLATION
PRECAUTIONS
NWA-008852-001 Rev.5.0
98ch2001.fm
NOVEMBER/15/2006
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