BD2-3880/3890 User’s Manual
16
7.4 Data Receiving Control
When DTR/DSR control is selected, data from the host is received with DTR signal at “space”
but not received with DTR signal at “Mark”. When XON/XOFF control is selected, data from
the host is received after sending XON but cannot be received after sending XOFF.
7.5 Buffering
Data transfer to the input buffer include DTR signals and TD signals as the control signals
concerned.
(1) DTR signals [See 7.2 (2)]
(2) TXD signals [See 7.2 (3)]
7.6 Electrical Characteristics
(1) RS-232C Circuit
Input (RXD, DSR)
<Printer side> <Host side>
Output (DTR, TXD)
<Printer side> <Host side>
E
uivalent MAX232
E
uivalent MAX232
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