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AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide
49
Warning: As a safety precaution, install a circuit breaker with a
minimum value of 15 Amps between the equipment and the DC
power source.
Always connect the wires to the LAN equipment first before you
connect the wires to the circuit breaker. Do not work with HOT
feeds to avoid the danger of physical injury from electrical shock.
Always be sure that the circuit breaker is in the OFF position
before connecting the wires to the breaker.
E9
Warning: Do not strip more than the recommended amount of
wire. Stripping more than the recommended amount can create
a safety hazard by leaving exposed wire on the terminal block
after installation.
E10
Warning: When installing this equipment, always ensure that
the frame ground connection is installed first and disconnected
last.
E11
Warning: Check to see if there are any exposed copper strands
coming from the installed wire. When this installation is done
correctly there should be no exposed copper wire strands
extending from the terminal block. Any exposed wiring can
conduct harmful levels of electricity to persons touching the
wires.
E12
This system works with positive grounded or negative grounded
DC systems.
E13
Circuit Overloading: Consideration should be given to the
connection of the equipment to the supply circuit and the effect
that overloading of circuits might have on overcurrent protection
and supply wiring. Appropriate consideration of equipment
nameplate ratings should be used when addressing this
concern.
E21
A tray cable is required to connect the power source if the unit is
powered by centralized DC power. The tray cable must be a UL
listed Type TC tray cable and rated at 600 V and 90 degrees C,
with three conductors, minimum 14 AWG.
E24
Warning: Mounting of the equipment in the rack should be such
that a hazardous condition is not created due to uneven
mechanical loading.
E25