The SNA LU6.2 sync level option to be used on conversations with the IMS server. Specify 0.
MCO:
The SNA LU6.2 sync level option to be used on conversations with CICS. Specify 0.
MFA:
The SNA LU6.2 sync level option to be used on conversations with the Mainframe Access Data Connect server. Specify 1. Conversations
use LU6.2 CONFIRM protocols.