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iDP3310 User's Manual
25 CITIZEN
7. SERIAL INTERFACE
7.1 Specifications
(1) Synchronous system : Asynchronous
(2) Baud rate : 150, 300, 600, 1200, 2400, 4800, 9600, 19200 (User selectable)
(3) Configuration of one word
•
Start bit : 1 bit
•
Data bits : 7 or 8 bits (User selectable)
•
Parity bit : Odd, even or none (User selectable)
•
Stop bit : 1 bit or more
(4) Signal polarity
RS-232C
•
Mark = Logic "1" (
−
3 to
−
12V)
•
Space = Logic "0" (+3 to +12V)
(5) Receiving Data (RD signal)
RS-232C
•
Mark = 1
•
Space = 0
(6) Data receiving control (DTR signal)
•
Mark : Data transfer disabled
•
Space : Data transfer enabled
(7) Data transmitting control (TD signal)
RS-232C
•
Status transmission
Native mode = Transmits "A"(41h)
900R mode = Transmits "H"(48h)
•
Printer state transmission
Transmits the data which is the 1 byte condition. See the page 34, 10. PRINT CONTROL
FUNCTIONS.