nSupports setting of flow control (flow=none,cts_rts,
xon_xoff).
nSupports setting of parity (parity=even,odd, or
none).
nSupports setting of speed (speed= option, none gives
list).
nHandles line disciplines on Tru64 Unix.
nSingle line loopback tests (enable=loopback)
nDual line loopback tests (if=/dev/tty00
of=/dev/tty01)
nDual line between different hosts and different OS’s
too!
nLimited Tru64 modem support (enable=modem, on
Tru64).
nParallel loopback support too (if=/dev/pig or /dev/pog,
Agfa).