Epson C8230 Specifikace stáhnout pdf (Strana 23)

Pin No.

Signal Name

Direction*

TTY-TXD

out

TTFTXD

Return

Description

High impedance (‘SPACE’)

between pin No. 17 and No

24 or an X-on signal sent

across pin No. 17 and No.

24 indicates that the printer

is ready to accept data. Low

impedance (‘MARK’) or an

X-off signal being sent

indicates that the printer is

busy. Operator can invert

the polarity of this signal

with jumper J5.

—

TTY_RXD In

Text

—

Return

Input data of serial Current

Loop.

Note

• The column heading “Direction” refers to the direction

of signal flow as viewed from the printer.

• All signals except TTY-TXD and TTY-RXD comply

with the EIA RS-232D standard.

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 29

Žádné komentáře

Epson C8230 Specifikace Strana 23