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Description:
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v5ProtectionLeSwitch ACTION
BEHAVIOUR
v5ProtectionLeSwitchBehaviour BEHAVIOUR
DEFINED AS "This action is used for both manual and forced protection switching of V5 time slot object instances being assigned as active or standby C-channel. It may only be requested on v5protectionGroup number 2 and shall be rejected otherwise.
A forced switch request permits the allocation of a C-channel to an already active channel (v5Protecting attribute of related protection unit is FALSE). The preempted C-channel is switched to the time slot of the preempting C-channel.
A manual switch request permits the allocation of a C-channel only to a stand-by channel (v5Protecting attribute of related protection unit is TRUE).
The following parameters are provided:
- switchType (indicates whether it is a forced or manual switch request);
- switchFrom (indicates the active, i.e. protected V5 protection unit object instance);
- switchTo (indicates the standby, i.e. protecting V5 protection unit object instance or, in the case of a forced switch, request the dedicated active channel).
This action shall change the v5Protecting attributes in the appropriate V5 protection unit object instances to TRUE or FALSE, respectively. The reliableResourcePointer attribute of the protecting V5 protection unit shall be changed to the appropriate C-channel ID, whilst the reliableResourcePointer attribute of the protected V5 protection unit shall be changed to NULL. In parallel, the reciprocal relationship between the affected commChannel object instance and v5TimeSlot object instance shall be modified accordingly.
The successful or failed protection switch will be reported to the OS by using v5ProtectionSwitchReporting Notification.";;
MODE CONFIRMED;
WITH INFORMATION SYNTAX ASN1CMLETypeModule.V5ProtectionSwitchInfo;
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