Epson TM T88II Technical Reference - Page 63

Interfaces and Connectors - tm t88iii baud rate

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Appendix A Interfaces and Connectors TM-T88II/T88III Technical Reference Guide A.1 RS-232 Serial Interface A.1.1 Interface Board Specifications (RS-232-compliant) Table A-1 Serial interface specifications Item Specifications Data transfer method Serial Synchronization Asynchronous Handshake Select one of the following with DIP SW1-3: ❏ DTR/DSR (DIP SW1-3 OFF) ❏ XON/XOFF (DIP SW1-3 ON) default Signal level MARK -3 V to -15 V logic "1" /ON SPACE +3 V to +15 V logic "0" /OFF Bit length Select one of the following with DIP SW1-4: ❏ 7 bit (DIP SW1-4 ON) ❏ 8 bit (DIP SW1-4 OFF) default Baud rate Select one of the following with DIP SW1-7 and SW1-8: ❏ 19200 bps (DIP SW1-7 OFF, DIP SW1-8 OFF) ❏ 9600 bps (DIP SW1-7 ON, DIP SW1-8 OFF)default ❏ 4800 bps (DIP SW1-7 OFF, DIP SW1-8 ON) ❏ 2400 bps (T88ii) or 38400 bps (T88III) (DIP SW1-7 ON, DIP SW1-8 ON) [bps: bits per second] Parity check Select one of the following with DIP SW1-5: ❏ Yes (DIP SW1-5 ON) ❏ No (DIP SW1-5 OFF) Parity selection Select one of the following with DIP SW1-6: ❏ Even (DIP SW1-6 ON) ❏ Odd (DIP SW1-6 OFF) 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 Rev. A Interfaces and Connectors A-1

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Rev. A
Interfaces and Connectors
A-1
TM-T88II/T88III Technical Reference Guide
Appendix A
Interfaces and Connectors
A.1
RS-232 Serial Interface
A.1.1
Interface Board Specifications (RS-232-compliant)
Table A-1
Serial interface specifications
Item
Specifications
Data transfer method
Serial
Synchronization
Asynchronous
Handshake
Select one of the following with DIP SW1-3:
DTR/DSR
(DIP SW1-3 OFF)
default
XON/XOFF
(DIP SW1-3 ON)
Signal level
MARK
–3 V to –15 V logic “1” /ON
SPACE
+3 V to +15 V logic “0” /OFF
Bit length
Select one of the following with DIP SW1-4:
7 bit
(DIP SW1-4 ON)
8 bit
(DIP SW1-4 OFF)
default
Baud rate
Select one of the following with DIP SW1-7 and SW1-8:
19200 bps
(DIP SW1-7 OFF, DIP SW1-8 OFF)
9600 bps
(DIP SW1-7 ON, DIP SW1-8 OFF)default
4800 bps
(DIP SW1-7 OFF, DIP SW1-8 ON)
2400 bps (T88ii) or
38400 bps (T88III)
(DIP SW1-7 ON, DIP SW1-8 ON)
[bps: bits per second]
Parity check
Select one of the following with DIP SW1-5:
Yes
(DIP SW1-5 ON)
No
(DIP SW1-5 OFF)
Parity selection
Select one of the following with DIP SW1-6:
Even
(DIP SW1-6 ON)
Odd
(DIP SW1-6 OFF)
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