D-Link KX-TDA100 - Manual (Page 78)

2.4 Installation of the Trunk Cards
78 Installation Manual
LED Indications
Indication Colour Description
CARD STATUS Green/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)
• Red ON: Fault (includes reset)
• Red Flashing (60 times per minute): Out of Service