Stand Alone; Y-Connection - Epson TM-U220 Reference Manual

2.3.1 Stand alone

Both TM printer and customer display (DM-D) are connected to the host PC via serial port.
Application
TM side control
control setting
XON/XOFF 1
2
DTR/DSR 1
2

2.3.2 Y-connection

TM printer is connected to the host PC via serial port and the customer display (DM-D) is
connected to TM printer via a modular connector.
Application
TM side control
control setting
XON/XOFF
DTR/DSR
(*) When RTS/CTS control is used between the TM and DM.
Note:
When you would like to provide power from TM-U220 to a DM-D, you have to use "PS-180." The "AC
Adapter C" can't provide power to a DM-D.
You need to use the UB-S09 interface when you use a modular connector.
On the DM-D (DM-D500 etc...) which has DIP switch to select Y-type connection, confirm that the DIP
switch has been set "Y-type connection: Enable."
Rev. E
2
1
XON/XOFF
(except OPOS)
Type A or B
DM-D500: A,B
Other DM-D: not available
—
—
XON/XOFF
(except OPOS)
Not available
—
DTR/DSR
(DOS, OPOS, Visual C)
—
—
Type A or B
Type A or B
DTR/DSR
(DOS, OPOS, Visual C)
—
Type B (*)
TM-U220 Technical Reference Guide
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
System Planning 2-7