7193 Owner’s Guide
Chapter 5: Communication
August 1998
39
Parallel Interface
Parallel Protocol
The 7193 uses a standard PC-compatible parallel interface. The illustration shows the
timing diagram for the interface protocol.
BU S Y
ACK
D A TA
STRO BE
0 .5 µ s (M in .)
1 .0 µ s (M in .)
0 .5 µ s (M in .)
0 .0 8 µ s (M in .)
See N o . 1
A p p . 0 .0 6 µ s
1.
ACK/ will not go high until STROBE/ goes high.
2.
When the printer is not ready to receive more data, ACK/ will be sent, but BUSY will
remain high.
3.
When the power is turned on or the printer is reset, an ACK/ will be sent during
initialization.
4.
Typical time from STROBE/ to ACK/ is approximately 44 µ seconds.
Summary of Contents for 7193
Page 1: ...BD20 1439 A Issue B August 1998 NCR 7193 Thermal Receipt Printer Owner s Guide ...
Page 6: ...Contents 7193 Owner s Guide August 1998 x ...
Page 16: ...Chapter 2 Setting Up the Printer 7193 Owner s Guide August 1998 10 Parallel Models ...
Page 22: ...Chapter 2 Setting Up the Printer 7193 Owner s Guide August 1998 16 ...
Page 24: ...Chapter 2 Setting Up the Printer 7193 Owner s Guide August 1998 18 ...
Page 26: ...Chapter 2 Setting Up the Printer 7193 Owner s Guide August 1998 20 ...
Page 30: ...Chapter 3 Solving Problems 7193 Owner s Guide August 1998 24 ...
Page 48: ...Chapter 5 Communication 7193 Owner s Guide August 1998 42 ...
Page 88: ...Chapter 6 Commands 7193 Owner s Guide August 1998 82 ...
Page 96: ...Appendix B Print Characteristics 7193 Owner s Guide August 1998 88 ...
Page 102: ...Index 7193 Owner s Guide August 1998 94 ...
Page 103: ......