To avoid static damaging the switch elements, besides anti-static measures, notice:
1) When installing various switch components, especially the circuit boards, you must wear the antistatic wrist strap.
2) when handling a circuit board, you should better hold the edge of the board and not touch the components or the printed circuit.
Usage of the anti-static wrist strap is as follows:
Step 1: extend your hand through the antistatic wrist strap.
Step 2: fasten the locker and confirm the antistatic wrist strap is in good contact with your skin.
Step 3: insert the other end of the antistatic wrist strap into the antistatic wrist strap jack of the switch cabinet, or use an alligator clip to fix it on the grounding post of the cabinet.
Step 4: confirm the antistatic wrist strap is well grounded.
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