Field Description
Loopback Segment Select whether you want to activate the loopback test for the
segment connection (segment = connection of the local end-
point to the next connection point) of the VCC or VPC.
The function is enabled with ,.
The function is disabled by default.
Segment Send Interval Only if Loopback Segment is enabled.
Enter the time in seconds after which a loopback cell is sent.
Possible values are  to .
The default value is .
Segment Pending Re-
quests
Only if Loopback Segment is enabled.
Enter the number of directly consecutive loopback cells that
may fail to materialise before the connection is regarded as in-
terrupted ("down").
Possible values are  to .
The default value is .
Fields in the CC Activation menu.
Field Description
Continuity Check (CC)
End-to-End
Select whether you activate the OAM-CC test for the connection
between the endpoints of the VCC or VPC.
Possible values:
• ## (default value): OAM CC requests are responded to
after CC negotiation (CC activation negotiation).
• -": OAM CC requests are sent after CC negotiation (CC
activation negotiation).
• =: OAM CC requests are sent and answered after CC ne-
gotiation (CC activation negotiation).
• '  : Depending on the setting in the Direction
field, OAM CC requests are either sent and/or responded to.
There is no CC negotiation.
• ##: The function is disabled.
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