Citizen Systems iDP-3540/3541 Benutzerhandbuch

iDP-3540/41 User’s Manual

 CITIZEN

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9-3-6. Electrical Characteristics

a) RS-232C Circuit

Input (RD)

[Printer Side]

   [Host Side]

MAX232 or equivalent       Mark = (-8V): Stop bit

         Space = (+8V): start bit

Output (DTR, TD, FAULT)

[Printer Side]

   [Host Side]

MAX232 or equivalent

DTR

(-8V): BUSY          *TD Mark = (-8V): 1
(+8V): READY            Space = (+8V): 0

FAULT  (-8V): Normal

(+8V): Abnormal

b) TTL Circuit
Output (PE)

[Printer Side]

   [Host Side]

7406 or equivalent

PE   

H: Paper empty
L: Paper remaining

Input (RESET)

[Printer Side]

   [Host Side]

7406 or equivalent             

LOW for RESET