Binary package “latd” in ubuntu precise
LAT (Local Area Transport) Daemon
This is a server for DEC LAT. It allows users to log in to the Linux
system from a LAT terminal server and also the creation of "reverse" LAT
ports on the system that connect to other LAT services on the network.
There is also an llogin utility that allows users to login to remote
LAT services and a moprc utility for managing terminal servers remotely.