Handling Circuit Cards - Alcatel-Lucent 1677 SONET Maintenance And Trouble Clearing

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3EM13853AF
Issue 01, September 2007

Handling Circuit Cards

WARNING
1-14
Although the risk of damage to an ESD is reduced considerably after
4.5
it is assembled into a circuit designed to protect sensitive components, take the
following precautions to reduce static charges to harmless levels:
Handle all circuit cards as ESDs unless they are known not to contain
electrostatic-sensitive parts.
Possibility of equipment damage. Heel straps are effective only while
standing on conductive or electrostatic-dissipative surfaces.
Wear wrist ground straps (PN 1AD012470001) before and while
touching or handling circuit cards containing ESDs.
Cover surfaces with resistance to ground in excess of 100 megohms,
such as ordinary tile, with properly grounded static dissipative
runners.
Store (even temporarily), pack, and ship circuit cards in antistatic
bags or containers.
Do not handle printed circuit board or components unnecessarily. Use
plastic handle.
Do not use synthetic bristled brushes or acid brushes to clean circuit
cards.
Handle failed circuit cards with same precautions as good circuit
cards.
Introduction

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