Panasonic KX-TDA100 Installation Manual page 90

2.5 Installation of the Extension Cards
LED Indications
Indication
CARD STATUS
90 Installation Manual
Color Description
Green/ Card status indication
Orange/Red
• 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)
• Red ON: Fault (includes reset)
• Red Flashing (60 times per minute): Out of Service