ABB REL670 Operator's Manual page 74

Section 10
Diagnose IED status
68
Main menu/Diagnostics/IED status/Merging units/MergingUnit:x
The list includes all the status signals of each merging unit.
Main menu/ Diagnostics/Communication/Front port
Displays various communication status signals for front port communication.
Main menu/ Diagnostics/Communication/Rear OEM - port AB
Displays various communication status signals for rear AB port communication.
Main menu/ Diagnostics/Communication/Rear OEM - port CD
Displays various communication status signals for rear CD port communication.
1MRK506276-UUS B
Operator's manual