;; *** IMP LINE FOUR (ONLY!) LOOPBACK TEST *** ; Set the simulator configuration ... echo IMP line four loopback test... do impconfig.cmd SET IMP NUM=2 ; Load the IMP code ... echo Loading IMP code ... do impcode.cmd ; Start up the modem links! SET MI1 DISABLED SET MI2 DISABLED SET MI3 DISABLED SET MI4 ENABLED ATTACH MI4 4424:4434 SET MI4 LOOPLINE SET MI5 DISABLED ; And we're done .. echo Type GO to start ...