CHAPTER 2 INSTALLATION
– 12 – NWA-011436-001 Rev.3.0
9ych2001.fm
PRECAUTIONS
Static Electricity Guard
You must wear a grounded wrist strap to protect circuit cards from static electricity.
Static Electricity Guard
• WHEN PLUGGING/UNPLUGGING A CIRCUIT CARD
• WHEN HOLDING A CIRCUIT CARD
Continued on next page
FRAME GROUND SCREW
PBX
WRIST STRAP
NEVER TOUCH THE COMPONENTS OR
SOLDERED SURFACE WITH BARE HANDS.
CARD FRONT
PRECAUTIONS