1.PRECAUTION IN HANDLING
When handling a circuit card, the installer must wear a grounded wrist strap to protect the circuit card from static electricity.
•WHEN PLUGGING/UNPLUGGING A CIRCUIT CARD
PBX
FRAME GROUND SCREW
WRIST STRAPCONNECT THE GROUND WIRE TO THE
FRAME EARTH OF THE EQUIPMENT.
• WHEN HOLDING A CIRCUIT CARD | NEVER TOUCH THE COMPONENTS OR | |
SOLDERED SURFACE WITH BARE HANDS. | ||
|
CARD FRONT
Figure 4-1 Static Electricity Precautions (1 of 2)
CHAPTER 4 |
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Revision 2.0
