1. System Installation Requirements
1-25
TI 33J01J10-01EN
1.5.2 Countermeasures against Static Electricity
Take countermeasures against electrostatic damage when handling cards with
semi-conductor IC components, for maintenance or to change settings.
electrostatic charge.)
1 M ohm. Be sure to ground the wrist strap.
wrist strap while performing maintenance work. Take any plastic and other materials that
can easily be charged away from the work area.
• Exercise caution so as not to touch any of the maintenance parts while the wrist strap and a
Wrist strap
Connect the wrist strap to the ground terminal or
unpainted part of the frame (grounded).
Wrist strap
Conductive sheet
Grounding resistance
of 1 M ohm
When working with a card with battery (power
supply unit) on a conductive sheet, set the
BATTERY ON/OFF switch to the OFF position
or remove the battery.
Figure Example of Using a Wrist Strap and Conductive Sheet
Jan. 21, 2019-00
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