Serial Interface (Option)
B-8
SG - Signal Ground - (Pin 7)
All signals can transmit between the printer and the host computer to send
each signal with a signal ground.
DTR - Data Terminal Ready - (Pin 20)
This output is used as a buffer nearly-full handshake line. It is held high
(above 3 volts) when the buffer can accept more data.
RS-232C Interface Voltage Levels
The voltage levels of the interface signals conform to EIA RS-232C
specifications. SPACE is from 3 volts to 15 volts. MARK is from -3 volts to
-15 volts. Voltages between -3 volts and 3 volts are undefined.
Summary of Contents for PP20D
Page 1: ...1 1 1 Oc PP20D Operation Guide Education Services Oc Operation Guide English version...
Page 11: ...1 1 Chapter 1 Basic Operations 11 This chapter explains the following topic Operator Panel...
Page 62: ...List of Fonts 5 5 Font number Font samples 70 71 72 73 74 75 76 77 78 79 80...
Page 63: ...List of Fonts 5 6 Font KPDL Fonts 1...
Page 64: ...List of Fonts 5 7 Font KPDL Fonts 2...
Page 88: ...C 1 Appendix C Printer Specifications C...
Page 91: ...Glossary 1 Glossary Glossary...
Page 95: ...Index 1 Index...
Page 98: ......