Rev. E System Planning 2-7
TM-U220 Technical Reference Guide
2.3.1 Stand alone
Both TM printer and customer display (DM-D) are connected to the host PC via serial port.
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.
(*) 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.”
Application
TM side control
control setting
XON/XOFF
(except OPOS)
DTR/DSR
(DOS, OPOS, Visual C)
RTS/CTS
(DOS, Windows driver, Visual C,
Visual Basic, MSComm)
XON/XOFF 1 Type A or B — —
2 DM-D500: A,B
Other DM-D: not available
——
DTR/DSR 1 — Type A or B Type B
2— Type A or B Type B
Application
TM side control
control setting
XON/XOFF
(except OPOS)
DTR/DSR
(DOS, OPOS, Visual C)
RTS/CTS
(DOS, Windows driver, Visual C,
Visual Basic, MSComm)
XON/XOFF Not available — —
DTR/DSR — Type B (*) Type B
2
1
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