Canon fax basic 2000 サービスマニュアル

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3. FACSIMILE COMMUNICATION NET-
WORK SERVICES & MINIFAX (JAPAN 
ONLY)
In facsimile communications over telephone lines, there is a tendency
towards increasing communications speeds to keep costs down. Facsimiles
are also being provided more and more functions to make them more con-
venient. Alternatively, this is making facsimile machines more expensive.
For this reason, NTT (Nippon Telephone and Telegraph) views terminals
and networks as an integrated system and is offering Facsimile communi-
cation network services (F-NET) as a network service and Minifax I (MF-
I) and Minifax II (MF-II) as terminal services to satisfy the above user’s
needs and increase overall performance including communications costs.
Fig. A-6   F-NET and Minifax
When you subscribe to a F-NET, normally your facsimile is shares a sub-
scriber  exchange on a PSTN as shown in the Fig. A-7 on which facsimile
communications are performed.
MF
MF
MF
MF
MF
MF
MF
MF
MF
F-NET