Epson C31C636834 Technical Reference - Page 67

Interfaces and Connectors

Page 67 highlights

Appendix A Interfaces and Connectors TM-T88IV 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: 4800bps, 9600bps, 19200bps, 38400bps Parity check Parity selection Stop bit Connector Printer side Select one of the following with Commands: 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps,115200bps [bps: bits per second] Select one of the following with DIP SW1-5: ❏ Yes (DIP SW1-5 ON) ❏ No (DIP SW1-5 OFF) Select one of the following with DIP SW1-6: ❏ Even (DIP SW1-6 ON) ❏ Odd (DIP SW1-6 OFF) 1 or more bits However, the stop bit for data transfer from the printer is fixed to 1 bit. DSUB 25-pin (female) connector Rev. A Interfaces and Connectors A-1

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90

Rev. A
Interfaces and Connectors
A-1
TM-T88IV 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:
4800bps, 9600bps, 19200bps, 38400bps
Select one of the following with Commands:
2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps,115200bps
[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