F5 520, Manual

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Introducing the 520/540 Platform
F5 Networks, Inc., Platform Guide 1 - 7
• Verify that the voltage selector is set appropriately before connecting the
power cable to the unit.
Guidelines for DC-powered equipment
A DC-powered installation must meet the following requirements:
• Install the unit using a 20 Amp external branch circuit protection device.
• For permanently connected equipment, incorporate a readily accessible
disconnect in the fixed wiring.
• Use only copper conductors.
The unit must be connected to Earth ground, and it
should have a reliable ground path maintained at all
times.
!
The controller contains a lithium battery. There is danger
of an explosion if you replace the lithium battery
incorrectly. We recommend that you replace the battery
only with the same type of battery originally installed in
the unit, or with an equivalent type recommended by the
battery manufacturer. Be sure to discard all used
batteries according to the manufacturer’s instructions.
This equipment is not intended for operator
serviceability. To prevent injury and to preserve the
manufacturer’s warranty, allow only qualified service
personnel to service the equipment.
Install DC powered equipment only in restricted access
areas, such as dedicated equipment rooms, equipment
closets, or similar locations.