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3 . I N S T A L L A T I O N
R e q u i r e m e n t s
Requirements
Before you install the PoLRE switch, start it up or replace any components, review the suggestions in
Before You Install, page 14 concerning:
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Physical Location Requirements, page 14
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Safety Precautions
WARNING: To prevent possible personal injury or equipment damage, do not apply power to
the PoLRE switch system until all other installation steps have been properly completed.
WARNING: Ensure that the PoLRE switch is independently grounded with a wire securely
attached to the ground lug at the rear of the switch chassis.
CAUTION: When upgrading a telephony environment, make sure you have removed all of the
old analog/digital phones and fax machines before you apply power.
CAUTION: To ensure trouble-free synchronization with the PoLRE switch upon startup, all IP
endpoint devices must be installed before you connect the PoLRE switch to a power source.
See also Rackmount Safety Instructions, page 23.
ESD Procedure
ESD procedure is required for the PoLRE switch and all product components.
CAUTION: Do not expose the PoLRE switch, its removable components or the Phylink adapter
to a magnetic field or electrostatic charge. Damage to system components could result.
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Wear an ESD (Electrostatic Sensitive Devices) wrist strap.
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Attach the wrist strap cable to the ground lug at the rear of the PoLRE switch, identified with the Gnd
symbol
as shown below: