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iDP3310 User's Manual
30 CITIZEN
7.3.6 Electrical Characteristics
(1) RS-232C Circuit
Input (RD, DSR)
[Printer Side] [Host Side]
Output (DTR, TD)
Equivalent MAX232
DTR Mark=(-8V): At Busy TD Mark=(-8V): 1
Space=(+8V): At Ready Space=(+8V): 0
Equivalent MAX232
RD Mark=(-8V): Stop bit
Space=(+8V): Start bit