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CHAPTER 3
NDA-24219
Page 20
Revision 2.0
1.2
Static Electricity Guard
The installer must wear a grounded wrist strap to protect circuit cards from static electricity.
Figure 3-1 Static Electricity Guard
CARD FRONT
PBX
WRIST STRAP
•
WHEN PLUGGING/UNPLUGGING A CIRCUIT CARD
• WHEN HOLDING A CIRCUIT CARD
FRAME GROUND SCREW
CONNECT THE GROUND WIRE TO THE
FRAME EARTH OF THE EQUIPMENT
.
NEVER TOUCH THE COMPONENTS
OR SOLDERED SURFACE WITH
BARE HANDS.