Parallel Connection; Pass-Through Connections - Epson TM-L90 Developer's Manual

Confidential

Pass-through Connections

TM printer is connected to DM-D via serial port and DM-D is connected to host PC via serial
port.
Application
TM side control
control setting
Xon/Xoff
DTR/DSR 1
2

Parallel Connection

TM printer is connected to host PC via parallel port mounting parallel interface board (UB -
P02II). DM-D is connected to host PC via serial port.
2-4 Setup
1
Xon/Xoff
(except OPOS)
Not available
—
—
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 A or B
Rev. A