Patton electronic 1214 Manuale Utente

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WARNING
This device contains no user serviceable parts. This device can 
only be repaired by qualified service personnel.
WARNING
This device is NOT intended nor approved for connection to the 
PSTN. It is intended only for connection to customer premise 
equipment.
CAUTION
Electrostatic Discharge (ESD) can damage equipment and 
impair electrical circuitry. It occurs when electronic printed circuit 
cards are improperly handled and can result in complete or inter-
mittent failures. Do the following to prevent ESD:
11
CopperLink 1214 User Manual 
About This Guide
Always follow ESD prevention procedures when removing 
and replacing cards.
Wear an ESD-preventive wrist strap, ensuring that it makes 
good skin contact. Connect the clip to an unpainted surface of 
the chassis frame to safely channel unwanted ESD voltages 
to ground.
To properly guard against ESD damage and shocks, the wrist 
strap and cord must operate effectively. If no wrist strap is 
available, ground yourself by touching the metal part of the 
chassis.