Buffering; Electrical Characteristics - Citizen BD2-2890DD Specifications

6.5 Buffering

Data transfer to the input buffer include DTR signals and TD signals as the control signals
concerned.
(1) DTR signals (See the page 7.2 (2))
(2) TXD signals (See the page 7.2 (3))

6.6 Electrical Characteristics

(1) RS-232C Circuit
Input (RXD, DSR)
Output (DTR, TXD)
<Printer side>
Equivalent MAX232
<Printer side>
Equivalent MAX232
<Host side>
<Host side>
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BD2-2890DD SPECIFICATIONS