Citizen Systems iDP-3540/3541 Manuale Utente
iDP-3540/41 User’s Manual
CITIZEN
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c) Current Loop Circuit
Input (RD)
[Printer Side]
[Host Side]
Mark = Current ON
Space = Current OFF
Space = Current OFF
Output (DTR, TD)
[Printer Side]
[Host Side]
*DTR
Current ON : READY
Current OFF : BUSY
Current OFF : BUSY
*TD
Mark : Current ON
Space : Current OFF
Space : Current OFF