Canon fax basic 2000 サービスマニュアル

Canon

APPENDIX

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APPENDIX

1. TRANSMISSION LINES OF TELEPHONE LINES .................. A-2

2. CHARACTERISTICS OF TELEPHONE LINE (ANALOG) ....... A-4

Telephone Line Band ...................................................... A-4

Characteristics of Telephone Network Components ....... A-5

Factors of Telephone Line Deterioration ......................... A-6

3. FACSIMILE COMMUNICATION NETWORK SERVICES &

MINIFAX (JAPAN ONLY) ........................................................ A-10

F-NET............................................................................ A-12

Minifax I (MF-I) .............................................................. A-16

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

Usual Factors ................................................................ A-22

Unusual Factors ............................................................ A-27

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