R51
40672201TH Rev. 4
A3 - 6
A3.1.5
R51 Circuit Diagram (Page 5/12)
1.
Block diagram
The circuit diagram shown on page 5/12 consists of Modem (14.4 kbps).
Modem consists the following functions:
•
Modulation/demodulation
Modulation type:
1)
ITU-T Rec. V17 (14400/12000/9600/7200 bps) for G3 picture data.
2)
ITU-T Rec. V29 (9600/7200 bps) for G3 picture data.
3)
ITU-T Rec. V27 ter (4800/2400 bps) for G3 picture data.
4)
ITU-T Rec. V21 channel 2 (300 bps) for binary signals defined in ITU-T Rec.
T.30.
•
Automatic adaptive equalizer for G3 receive data with 300 bps data excluded.
•
Generation of signal tones
•
PB tone (multi-frequency tone) generation
•
Detection of single tones
•
D/A converter for send data (TX)
•
A/D converter for receive data (RX)
•
Amplitude equalizer for RX
•
Selectable attenuation for TX
•
Automatic gain control
Figure A3.1.5 shows the related signals of Modem.
X'tal
IC2
IOGA4
Modem
14.4 kbps
D0 to D7
A1 to A7
MDINT1-N
MDRST-N
MDCSI-N
MDMRD-N
MDMWR-N
S
7
IC12
IC12
R
RP
CN10
CN3
S
R
NCU
29.4912 MHz
R51
IC8
A8, B8
A6, B6
X3
Figure A3.1.5 Related Signals of Modem
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 370: ...C 39 40672201TH Rev 4 High Voltage primary Low Voltage secondary...
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Страница 393: ...OKIOFFICE84 OKIFAX 4500 40672201TH Rev 4 D 2 SECTION 1 CABINET ASSEMBLY FAX NIP FX051...
Страница 396: ...OKIOFFICE84 OKIFAX 4500 D 5 40672201TH Rev 4 SECTION 2 UNIT PRINTER...
Страница 398: ...OKIOFFICE84 OKIFAX 4500 D 7 40672201TH Rev 4 SECTION 3 UNIT 051 OPE PANEL...
Страница 400: ...OKIOFFICE84 OKIFAX 4500 D 9 40672201TH Rev 4 SECTION 4 OPEPANEL OPERATION PANEL ASSEMBLY...
Страница 402: ...OKIOFFICE84 OKIFAX 4500 D 11 40672201TH Rev 4 SECTION 5 FRAME ASSEMBLY SCANNER L...
Страница 404: ...OKIOFFICE84 OKIFAX 4500 D 13 40672201TH Rev 4 SECTION 6 PLATE ASSEMBLY SCANNER B...
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Страница 412: ...OKIOFFICE84 OKIFAX 4500 D 21 40672201TH Rev 4 SECTION 10 PLATE ASSEMBLY BASE...
Страница 414: ...OKIOFFICE84 OKIFAX 4500 D 23 40672201TH Rev 4 SECTION 11 PRINTER BASE FRAME UNIT Heat assy...
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...