Panasonic KX-TDA50 Installation Manual page 80

2.4.8 IP-EXT4 Card (KX-TDA5470)
LED Indications
Indication
ON LINE
ALARM
LINK
DATA
80 Installation Manual
Color 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
Document Version 2010-11