This option specifies whether or not to poll the communications port on a periodic basis to see if characters have arrived. You should only set this value to TRUE (1) if you suspect communications errors due to PC-DMIS missing characters. Normally you should leave this set to 0.
Entry Name: ExternalRotabPollComm
Entry Type: Whole number that specifies the TRUE (1) or FALSE (0). The default value is 0.