Two MESS instances talking to each other. This is actually how the real life setup was -- dvk_ksm is self-contained board with no data connection to the bus, so it has to be physically plugged in into host board via null-modem cable.
MESS: emulated dvk_ksm talking to МС1201.02 WIP - FTMON
MESS: emulated dvk_ksm talking to МС1201.02 WIP - FTMON running terminal test