SIGNAL FLOW
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A2 - 2
(5) 300bps Receive Mode
Figure A2.5 shows 300bps receive protocol signal route.
In G3 communication, this is the route of the procedural control signals (pre-message,
post-message phases etc.) at 300bps.
The 300bps modulated signals received via the telephone line L1 and L2 of the NCU are
sent from pin R to Pin RXA1 of the modem. After demodulation by the modem, the
demodulated digital signals are sent to the IOGA4 (CPU) via the data bus from the
modem. The data is read and decoded by the IOGA4 (CPU) and written into the DRAM.
The written data is interpreted according to bit assigment of the binary procedural signals
in the ITU recommendations. The successive modes of communication (for example,
line density,encoding scheme, etc.) are determind.
(6) Report Printing
Figure A2.6 shows the report printing signal route.
This signal route describes the printing route of character data used to print Activity
Report, Message Confirmation Report, etc.
The report data is read into DRAM in the sequence the contents of data stored in the
FLASH memory in advance under the control of CPU. The contents of data is edited on
the DRAM. The data is read out from the DRAM and sent to IOGA4. The data is con-
verted into a serial data by the picture control of IOGA4 and transferred to the LED print
head for printing as HDATA 0.
(7) Memory Transmission
This signal route describes the memory transmission used in broadcast mode, delayed
broadcast mode, etc.
The stored encoded data undergoes buffering, passes through IOGA4 (CPU), MODEM
and NCU and then sent out to the telephone line.
(8) Memory Reception
This signal route describes the memory reception used in no-paper mode, no-toner
reception, confidential mode, etc.
The encoded data received by the same route of (3) G3 receive mode undergoes the
picture data processing and stored into memory (DRAM) as such. In case of printing,
When the data for one page has been stored in the memory (DRAM), the data is read out
from the memory and sent to IOGA4 (CPU). The printed data is converted into a serial
data by the printer control of IOGA4 (CPU) and transferred to the LED print head for
printing as HDATA 0.
Содержание OKIOFFICE84
Страница 7: ...40672201TH Rev 4 CHAPTER 1 GENERAL INFORMATION...
Страница 44: ...40672201TH Rev 4 CHAPTER 2 INSTALLATION PROCEDURE...
Страница 120: ...40672201TH Rev 4 CHAPTER 3 BRIEF TECHNICAL DESCRIPTION...
Страница 128: ...40672201TH Rev 4 CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY...
Страница 133: ...4 5 40672201TH Rev 4 Appearance of the OKIOFFICE84 OKIFAX 4500 FX051 CP4 Fig 01...
Страница 155: ...40672201TH Rev 4 CHAPTER 5 ADJUSTMENTS...
Страница 159: ...40672201TH Rev 4 CHAPTER 6 CLEANING AND MAINTENANCE...
Страница 187: ...40672201TH Rev 4 CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIOFFICE84 OKIFAX 4500...
Страница 232: ...40672201TH Rev 4 CHAPTER 8 DIPSWITCHS SETTING TABLES...
Страница 254: ...40672201TH Rev 4 Appendix A PC Board Descriptions and Operation Second Edition December 1998 Oki Data Corporation...
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Страница 417: ...OKIOFFICE84 OKIFAX 4500 40672201TH Rev 4 D 26 SECTION 12 PRINTER HEAT ASSY...
Страница 419: ...OKIOFFICE84 OKIFAX 4500 40672201TH Rev 4 D 28 SECTION 13 CABLES...
Страница 421: ...40672201TH Rev 4 Appendix E Boards Layout OKIOFFICE84 OKIFAX 4500 Second Edition December 1998 Oki Data Corporation...
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Страница 435: ...40672201TH Rev 4 Appendix F PC Loading Second Edition December 1998 Oki Data Corporation...
Страница 436: ...40672201TH Rev 4 FX 051 SYSTEM SPECIFICATION PC LOADING PART Ver 00 11 Oki Data Confidential...
Страница 448: ...40672201TH Rev 4 Appendix G RMCS SYSTEM MANUAL For Model 30 Second Edition December 1998 Oki Data Corporation...
Страница 473: ...40672201TH Rev 4 H 18 Figure 2 1 IC16 Pin 77 IC16 Pin 78 IC16 Pin 79 IC16 Pin 80...
Страница 481: ...40672201TH Rev 4 Appendix I FAX2NET FUNCTION First Edition October 1999 Oki Data Corporation...