Panasonic KX-TDA15 Installation Manual page 75

LED Indications
Indication
ON LINE
ALARM
LINK
DATA
Colour Description
Green On-line status indication
• ON: At least one port is in use (an IP-PT is connected)
• OFF: No ports are in use (no IP-PTs are connected)
Note
If the LINK indicator is OFF, the ON LINE indicator will also be
OFF.
Red Alarm indication
• ON: Alarm
• OFF: Normal
Green Link status indication
• ON: Normal connection
• OFF: Connection error
Green Data transmission indication
• ON: Data transmitting
• OFF: No data transmitted
2.4 Information about the Extension Cards
Installation Manual 75