Appendix - Canon FACSIMILE BASIC 2000 Service Manual

APPENDIX

A APPENDIX
1. TRANSMISSION LINES OF TELEPHONE LINES .................. A-2
2. CHARACTERISTICS OF TELEPHONE LINE (ANALOG) ....... A-4
2.1 Telephone Line Band ...................................................... A-4
2.2 Characteristics of Telephone Network Components ....... A-5
2.3 Factors of Telephone Line Deterioration ......................... A-6
3. FACSIMILE COMMUNICATION NETWORK SERVICES &
MINIFAX (JAPAN ONLY) ........................................................ A-10
3.1 F-NET............................................................................ A-12
3.2 Minifax I (MF-I) .............................................................. A-16
3.3 Minifax II (MF-II) ............................................................ A-17
4. TELEPHONE LINE BAND & SIGNAL SPECTRUM............... A-19
5. S/N ......................................................................................... A-20
6. POLARITY INVERSION ON EXCHANGE ............................. A-21
7. FACTORS WHICH CAUSE DETERIORATION
IN QUALITY OF FACSIMILE TRANSMISSION ..................... A-22
7.1 Usual Factors ................................................................ A-22
7.2 Unusual Factors ............................................................ A-27
7.3 Echo .............................................................................. A-28
8. RATIO, dB, dBm & dBV .......................................................... A-35
9. BINARY SIGNALS TABLE ..................................................... A-39
10. MAKER CODES TABLE......................................................... A-42
11. STANDARD DOCUMENT SIZES........................................... A-44
12. G3 FACSIMILE TRANSMISSION CONTROL PROCEDURES ....... A-45
GLOSSARY........................................................................... A-67
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