Epson TM-T88 Series User Manual

100
Specifications of Interfaces and Connectors
RS-232 Serial Interface
Interface board specifications (RS-232-compliant)
∗ : Selectable using the memory switches ("Communication condition of serial interface" on page 47)
For information about the Ethernet LAN interface model and wireless LAN interface model,
see the technical reference guide for the applicable model.
Item Specifications
Data transfer
method
Serial
Synchronization Asynchronous
Handshaking* • DTR/DSR
• XON/XOFF
Signal level MARK -3V to -15V logic “1”/OFF
SPACE +3V to +15V logic “0”/ON
Bit length* • 7 bits
•8 bits
Transmission
speed*
2400 bps, 4800 bps, 9600 bps, 19200 bps, 38400 bps, 57600 bps, 115200
bps
[bps: bits per second]
Parity check* • Yes
•No
Parity selection* • Even
•Odd
Stop bit 1 or more bits
However, the stop bit for data transfer from the printer is fixed to 1 bit.
Connector Printer side DSUB 25-pin (female) connector

Epson TM-T88 Series Specifications

General

Print Method	Thermal line printing
Interfaces	USB, Serial, Ethernet
Auto Cutter	Yes
Paper Width	80 mm / 58 mm (with paper width guide)
Power Supply	Internal (some models may use external)