& QRUNAP2 original teaching model: one arrival every 2 units on average. /DECLARE/ QUEUE INPUT, DESK; /STATION/ NAME=INPUT; TYPE=SOURCE; SERVICE=EXP(2); TRANSIT=DESK; /STATION/ NAME=DESK; TYPE=SERVER,SINGLE; SERVICE=EXP(1); TRANSIT=OUT; /CONTROL/ TMAX=10000; /EXEC/ BEGIN SIMUL; END; /END/