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CHAPTER 3
INSTALLATION
1. PRECAUTION IN HANDLING
When handling cards, the installer must wear a grounded wrist strap to protect the circuit card from static
electricity, and the installer must engage in the work on a grounded conductive work surface.
the actions to take while handling circuit cards.
• When plugging/unplugging circuit card
• When holding circuit card
PBX
FRAME GROUND SCREW
Connect ground wire to
WRIST STRAP
frame earth of equipment.
Figure 3-1
Static Electricity Guard
ND-46550 (E)
Figure 3-1
Never touch components
or soldered surface with
bare hands.
CARD FRONT
illustrates
CHAPTER 3
Page 13
Revision 2.0
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