Panasonic KX-TD500 Programming Manual page 10

Configuration
Parameter
Default
Value Range
Description/Function
Reference
10
Status
—
1.
INS
2.
OUS
3.
FAULT
Used to set the status of the service cards.
1.
INS (In-Service):
The target service card is operating normally.
2.
OUS (Out-of-Service):
Programming data for the target service card is entered, but the
target service card is not assigned to the system.
3.
FAULT:
The target service card is defective (hardware). In this case, the
LED indicator on the service card is lit.
None
Programming Guide