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3.6 Information about the Physical Extension Cards
120 Installation Manual
LED Indications
Indication Colour Description
CARD STATUS Green/
Orange/Red
Card status indication
• OFF: Power Off
• Green ON: Normal (all ports are idle)
• Green Flashing (60 times per minute): Normal (a port is in use)
• Orange Flashing: Detection of PT-interface CS connection (when
starting up the PT-interface CS [Basic/High-density])
• Red ON: Fault (includes reset)
• Red Flashing (60 times per minute): Out of Service