Panasonic PN28160A Operation Manual page 210

line loopback
Enables the loop detection/shut-off function.
no line loopback
Disables the loop detection/shut-off function.
[Parameter]
Parameter name
None
[Factory Default Setting]
Parameter name
None
[Setting Range]
Parameter name
None
[Note]
Parameter name
None
Description
None
Factory default setting
<Switch-M24eG>
Ports 1 to 22: line loopback
Ports 23 to 24: no line loopback
<Switch-M16eG>
Ports 1 to 14: line loopback
Ports 15 to 16: no line loopback
Setting range
None
Note
None
210