Citizen Systems CBM-730 Benutzerhandbuch
CBM-710/720/730/750 User’s Manual
30
CITIZEN
(6) Electrical Characteristics
a) RS-232C Circuit
Input (RD)
MAX232 or equivalent
Mark = (-8V): Stop bit
Space = (-8V): Start bit
Output (DTR, TD, FAULT)
MAX232 or equivalent
*DTR
(–8V): BUSY
*TD Mark = (–8V): 1
(+8V): READY
Space = (+8V): 1
*FAULT (–8V): Normal
(+8V): Abnormal