Reverse channel
Transmission mode:
IEEE-1284 Nibble mode
Adaptable connector:
57-30360 (Amphenol) or equivalent
Synchronization:
Refer to the IEEE-1284 specification
Handshaking:
Refer to the IEEE-1284 specification
Signal level:
IEEE-1284 level 1 device
Data transmission
timing:
Refer to the IEEE-1284 specification
Extensibility request:
The printer responds to the extensibility
request in the affirmative when the
request is 00H or 04H, which means:
00H:
Request nibble mode of reverse channel
transfer
04H:
Request device ID in nibble mode of
reverse channel transfer
The following table lists the parallel connector pin assignments and
describes their respective interface signals.
Pin no.
Signal name
GND
In/Out
Description
1
HostClk
19
In
Strobe pulse. Input data
is latched at falling
edge of the signal.
2
DATA1
20
In
Bit 0: LSB Parallel input
data to the printer.
3
DATA2
21
In
These signals represent
information in bits 0 to 7
of parallel data
respectively. Each signal
is at HIGH level when
data is logical 1 and
LOW when it is logical 0.
These signals are used
to transfer the 1284
extensibility request
values to the printer.
4
DATA3
22
In
5
DATA4
23
In
6
DATA5
24
In
7
DATA6
25
In
8
DATA7
26
In
9
DATA8
27
In
L
Elbe+
A5 size
Appendix A
3-25-96
MT, pass 4
A-12
Technical Specifications
Содержание Stylus Color 500
Страница 69: ...L Elbe A5 size Chapter 3 3 26 96 MT pass 7 3 18 Installing and Using the Macintosh Printer Software ...
Страница 95: ...L Elbe A5 size Chapter 5 3 25 96 MT pass 5 5 16 Controlling the Printer ...
Страница 111: ...L Elbe A5 size Chapter 6 3 25 96 MT pass 5 6 16 Maintenance ...
Страница 153: ...L Elbe A5 size Appendix B 3 25 96 MT pass 2 B 10 Commands and Character Tables ...
Страница 157: ...L Elbe A5 size Glossary 3 25 96 MT pass 3 4 Glossary ...
