In the TCT, an entry that is generated for each system known to the local CICS system. Using resource definition macro (RDM), the DFHTCT TYPE=SYSTEM macro defining a TCTSE must specify the applid of the remote system in the NETNAME or the SYSIDNT option. Using resource definition online (RDO), the CEDA DEFINE CONNECTION transaction defining a remote system generates a TCTSE, and must specify the applid of the remote system in the NETNAME option.