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Technical Specifications
A-15
Dove
Rev. C
A5 size appa.mif
10/28/98 Pass 0
R
Proof Sign-off:
Nishi _______
<leadername> _______
<editorname> _______
Pin assignments
The serial interface connector pin assignments and a description of the
interface signals are shown in the table below. The direction of signals is
given as viewed from the printer.
Note:
The column heading "Direction" refers to the direction of signal flow as viewed from
the printer.
Signal
pin
RS-232C Direction Description
2 TXD OUT Transmits data. This pin transmits serial
data from the printer to the computer.
3 RXD IN Received data. This pin transmits data
from the computer to the printer.
5 CTS IN Always ignored
17 OUT Transmits data. This pin transmits serial
data from the printer to the computer.
20 DTR OUT Data terminal ready. This pin indicates
whether or not the printer is ready to
receive data. If the printer ready
protocol is not selected, the printer is
always ready to receive data (this pin
is always HIGH.) If the printer ready
protocol is selected, the printer can
accept data when the pin level is
HIGH and cannot accept data when
the pin level is LOW. When the DTR
signal goes LOW, the host computer
must stop sending data within 256
characters. This function can be set on
or off with the default-setting mode of
the printer.
23 Received data. This pin transmits serial
data from the computer to the printer.
24 Transmits data. This pin transmits serial
data from the printer to the computer.
25 IN Received data. This pin transmits serial
data from the computer to the printer.