ABB FOX61 Series User Manual page 22

F U N C T I O N A L D E S C R I P T I O N
22
− Signal degraded (SD).
• External command requests:
− Activated from the channel status dialogue.
Please note:
The protection parameters holdoff time and guard time are not available for
P12 and P0-nc SNCP.
For details of the protection modes, types and switching criteria please refer
to "1KHW002467 FOX61x TDM Services".

FOX61x LEDE1