Epson TM-T70II Technical Reference Manual page 45

Y connection (only for models with a customer display (DM-D) connector)
This printer is connected to the host computer via the serial port. When a customer display
(DM-D) is to be connected, connect it to the printer via the modular cable.
 Make sure to pull out the power cable before connecting cables.
 When connecting a customer display to the printer, connect the modular jack from the
customer display to the DM-D connector.
 Set the communication conditions of the customer display as follows:
 Baud rate: 19200 bps
 Bit length: 8-bit
 Parity: no parity
 Stop bit: 1
AC adapter + AC cable
Connecting the serial interface (RS-232) cable
Be sure to turn off the power supply for both the printer and host computer before
connecting the cables.
WARNING
1
Insert the interface cable connector firmly into the interface connector
on the connector panel.
2
When using connectors equipped with screws, tighten them to secure
the connectors firmly.
TM-T70II
Serial cable
Modular cable
DM-D
Modular cable
Cash drawer
Chapter 2 Setup
2
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