ABB FOX61 Series - Page 22

FUNCTIONAL DESCRIPTION
22 FOX61xLEDE1
 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".