PRECAUTIONS
Static Electricity Guard
You must wear a grounded wrist strap to protect circuit cards from static electricity.
• WHEN PLUGGING/UNPLUGGING A CIRCUIT CARD
• WHEN HOLDING A CIRCUIT CARD
Static Electricity Guard
WRIST STRAP
PBX
FRAME GROUND SCREW
NEVER TOUCH THE COMPONENTS OR
SOLDERED SURFACE WITH BARE HANDS.
CARD FRONT
– 46 –
CHAPTER 2 INSTALLATION
PRECAUTIONS
Continued on next page
NWA-008852-001 Rev.5.0
98ch2001.fm