Patton electronic 1211E Manual Do Utilizador
WARNING
This device contains no user serviceable parts. This
device can only be repaired by qualified service personnel.
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.
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 cir-
cuit cards are improperly handled and can result in complete or
intermittent failures. Do the following to prevent ESD:
impair electrical circuitry. It occurs when electronic printed cir-
cuit cards are improperly handled and can result in complete or
intermittent failures. Do the following to prevent ESD:
11
CopperLink 1211E/1212E User Manual
About This Guide
•
Always follow ESD prevention procedures when removing
and replacing cards.
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.
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.
strap and cord must operate effectively. If no wrist strap is
available, ground yourself by touching the metal part of the
chassis.