Panasonic KX-TDA50 用户手册
2.4 Information about the Extension Cards
74
Installation Manual
LED Indications
Indication
Color
Description
ON LINE
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.
OFF.
ALARM
Red
Alarm indication
•
ON: Alarm
•
OFF: Normal
LINK
Green
Link status indication
•
ON: Normal connection
•
OFF: Connection error
DATA
Green
Data transmission indication
•
ON: Data transmitting
•
OFF: No data transmitted