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Citizen Systems iDP-562 Manuel D’Utilisation

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iDP-562 User’s Manual
CITIZEN
16
5.5 Current Loop and TTL
5.5.1 Interface Loop
(a)
 
Current Loop
Input (RD)
      Printer side                                              Computer side
Output (DTR)
Note: Resistance should be set so that Current Loop is restricted within 10 ~ 20 mA.
(b)
 
TTL
Input (RD)
Printer side     
Computer side
Equivalent to 7407
                                 
Output (DTR FAULT)
Note: Output is open collector.