Panasonic KX-NCP500 Installation Manual page 68

3.5.1 LCOT4 Card (KX-NCP1180)
LED Indications
Indication
CARD STATUS
68 Installation Manual
Color Description
Green/Red Card status indication
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OFF: Power Off
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Green ON: Normal (all ports are idle)
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Green Flashing (60 times per minute): Normal (a port is in use)
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Red ON: Fault (includes reset)
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Red Flashing (60 times per minute): Out of Service
Document Version 2011-10