Panasonic KX-T336 System Reference Manual page 526

2.00 Definition of Operating
Status
2.01 Shelf, Slot, Resource
Not-Installed:
Programming data for the target device are not
entered at all. In other words, even if the device
is physically installed in the system, no
programming has been performed.
Out of Service (OUS):
Programming data for the target device is
entered, but the target device is not assigned to
the system.
In Service (INS):
The target device is operating normally.
Fault (FLT):
The device is defective (hardware).
In this case the LED indicator on the card is lit.
2.02 Port
Not-Installed:
The slot (upper device of port) is not
programmed even though the card may be
physically installed.
Pre-Installed
Programming data for the slot (upper device of
port). is entered, but programming.data for the
port is not entered.
Out of Service (OUS):
Programming data for the target device is
entered, but the target device is not assigned to
the system.
In Service (INS):
The target device is operating normally.
2.03 Interactions among Devices
Interactions among Shelf, Slot, Port and
Resource are as follows.
Shelf>Slot>Port, or Shelf>Slot>Resource
(See the illustration below)
Shelf
($z-:g>
l
The resource is a lower device of a slot. There
are no interactions between resources and
ports.
(Example)
PB receiver on the SLC (Single tine Telephone
Circuit) card.
Fault (FLT):
Defective device (hardware).
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