mmm lower-layer failure occurred. connection name=aa...aa maintenance information=(b,cccccccc,dddddddd)

mmm: MCF identifier

aa...aa: Connection name

b: Error identification

E: Unsupported event received

N: An error occurred that disables retry.

O: An error occurred allows retry.

cccccccc: Error information 1 (maintenance information)

dddddddd: Error information 2

Reason code of HNA secondary office (using SLUS)

For details, see the manual XNF/S-E2 Description.

S: Releases the system session if it has been established. If the system session is being established, performs either of the following according to the error identification.

O: Retries the system session establishment processing.

N or E: Terminates the system session establishment processing.

O: Contact the OpenTP1 administrator.

Countermeasure: Take one of the following actions according to the error identification.

E: Obtain maintenance information and contact the maintenance personnel.

O or N: Check and remove the cause of the error according to error information 2, and retry.