With The Ethernet Interface (Tm-L90 Only) - Epson TM-L90 Technical Reference Manual

Item
Transmission setting
Before turning on the printer, be sure to turn on the customer display (DM-D). If you reverse the
order, the customer display will not be recognized correctly.
To satisfy the EMI standard, be sure to mount the ferrite core on the display module cable
mount the ferrite core, put the display module cable into the ferrite core.

3.2.4 With the Ethernet Interface (TM-L90 only)

TM printer with the Ethernet interface is connected to a network with the Ethernet cable via a
Hub.
<Example>
Note:
The Ethernet interface TM printer does not accept a customer display (DM-D). Connect the customer
display to a POS terminal or appropriate equipment other than the printer.
Note:
When controlling the printer with OPOS, it is necessary to use exclusive control. Therefore, when using 1
printer with several PCs, it is necessary to take into account application programming whereby a PC that
already has the exclusive right must release it, then another PC must claim it.
72 Connecting to the Host Computer and Options
Selection
Transmission speed
Parity
Data word length
10BASE-T/100BASE-TX
19200 bps
None
8 bits
To
.