Specifications Of Interface And Connector; Rs-232 Serial Interface - Epson TM-T70II Technical Reference Manual

Specifications of Interface and Connector

For detailed information about LAN or wireless LAN, see the Technical Reference Guide for the
interface board.
For detailed information about Bluetooth, see the iOS Bluetooth
Guide.

RS-232 Serial Interface

Interface board specifications (RS-232-compliant)
Item
Data transfer method
Synchronization
Handshake
Signal level MARK
SPACE
Bit length
Transmission speed
[bps: bits per second]
Parity selection
Stop bit
Connector Printer side
Functions of each connector pin
Pin no. Signal name
1 FG
2 TXD
94
Serial
Asynchronous
Select one of the following with the memory switch (see
Switches/Receipt Enhancement" on page
• DTR/DSR
-3 V to -15 V logic "1"/OFF
+3 V to +15 V logic "0"/ON
Select one of the following with the memory switch (see
Switches/Receipt Enhancement" on page
• 7 bits
• Select one of the following with the memory switch (see
Switches/Receipt Enhancement" on page
2400/4800/9600/19200/38400/57600/115200 bps
Select one of the following with the memory switch (see
Switches/Receipt Enhancement" on page
• None
• Odd
1 or more bits
However, the stop bit for data transfer from the printer is fixed to 1 bit.
DSUB 25-pin (female) connector
Signal direction
— Frame ground
Output Transmission data
®
TM Printer Technical Reference
Specifications
"Setting the Memory
32):
• XON/XOFF
"Setting the Memory
32):
• 8 bits
"Setting the Memory
32):
"Setting the Memory
32):
• Even
Function