Epson T88IIIP - TM B/W Thermal Line Printer Technical Reference Manual page 29

Stand alone
Both the TM printer and DM-D are connected to the host computer directly via the serial port.
Application
control
TM side
control setting
XON/XOFF 1
2
DTR/DSR 1
2
Pass-through connection
The host computer is connected to the TM printer over the serial interface via DM-D.
Application
control
TM side
control setting
XON/XOFF
DTR/DSR 1
2
Rev. A
XON/XOFF
(except OPOS)
Type A or B
DM-D500: A, B
Other DM-D: not possible
—
—
Figure 2-5 Configuration of stand-alone connection
XON/XOFF
(except OPOS)
Not possible
—
—
Figure 2-6 Configuration of pass-though connection
TM-T88II/T88III Technical Reference Guide
DTR/DSR
(DOS, OPOS, Visual C)
—
—
Type A or B
Type A or B
DTR/DSR
(DOS, OPOS, Visual C)
—
Type A or B
Type A or B
RTS/CTS
(DOS, Windows driver, Visual C,
Visual Basic MSComm)
—
—
Type B
Type B
RTS/CTS
(DOS, Windows driver, Visual C,
Visual Basic MSComm)
—
Type B
Type A or B
Setup 2-9