Tripp-Lite isobar PDUMH15-ISO Manuel Du Propriétaire page 5

Features
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NEMA 5-20P
NEMA L5-20R
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PROTECTION
PRESENT
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Protection Present (Green LED): Indicates the surge-suppression components are intact and
providing full protection against spikes and surges. This LED should be lit anytime the PDU is
plugged in and power is present. If the Protection Present LED does not light, then some of the
surge suppression components are not functioning and the unit should be returned for repair
as soon as possible. You may still use the unit; however, connected equipment will be
protected from spikes and surges at a lesser level than normal.
Line Fault (Red LED)*: Indicates a wiring fault has been detected. If this LED illuminates at
any time while the unit is plugged in, the fault should be repaired by a qualified electrician as
soon as possible. This LED indicates that phases are reversed, ground is missing or some other
sort of wiring error exists in the circuit the PDU is plugged into. The Line Fault detector circuitry
will identify most common wiring faults, but will not necessarily detect every possible type of
fault.
Line "OK" (Green LED): Indicates that nominal AC power is present with no wiring faults
detected. When this LED is illuminated, AC power is safe for connected equipment.
* If the Line Fault (Red LED) indicator illuminates, carefully check the AC receptacle
the PDU is plugged into. The receptacle must be tight and securely grounded. A loose
AC receptacle may cause the Line Fault LED to illuminate. The Red LED indicates the
presence of a wiring fault, but does not indicate the exact nature of the fault. Only
qualified electricians should make necessary outlet repairs.
If the Line Fault indicator illuminates and power is not present at the outlets, the
PDU's surge-suppression components have been compromised as a result of surge
damage. For service, call Tripp Lite Customer Support at 773.869.1234 to remedy the
problem or receive instructions about return, repair or exchange.
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Grounding Lug: Use this screw to connect the PDU to ground.
Input Plug Adapter (Select Models): Converts the twist-lock input
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plug to a straight-blade input plug.
LINE
FAULT OK
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Diagnostic Indicator Lights: The three
LEDs on the front panel show current power
conditions (from left to right):
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9/15/2014 4:09:44 PM