Epson TM-T70II - Appendix; Specifications of Interface and Connector; RS-232 Serial Interface

Appendix
105
Appendix
Specifications of Interface and Connector
RS-232 Serial Interface
Interface board specifications (RS-232-compliant)
For detailed information about LAN or wireless LAN, see one of the following:
 LAN: UB-E03 Technical Reference Guide
 Wireless LAN: UB-R04 Technical Reference Guide
Item Specifications
Data transfer method Serial
Synchronization Asynchronous
Handshake Select one of the following with the memory switch (see "Setting the
Memory Switches/Receipt Enhancement" on page 54):
 DTR/DSR  XON/XOFF
Signal level MARK -3 V to -15 V logic “1”/OFF
SPACE +3 V to +15 V logic “0”/ON
Bit length Select one of the following with the memory switch (see "Setting the
Memory Switches/Receipt Enhancement" on page 54):
 7 bits  8 bits
Transmission speed
[bps: bits per second]
 Select one of the following with the memory switch (see "Setting
the Memory Switches/Receipt Enhancement" on page 54):
2400/4800/9600/19200/38400/57600/115200 bps
Parity selection Select one of the following with the memory switch (see "Setting the
Memory Switches/Receipt Enhancement" on page 54):
 None
 Odd
 Even
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