Oki B4100 User Manual Page 493

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40055101TH Rev.4 493 /
2. Function
2.1 Summary
By installing the optional board (Bi-Centro), the following MFP (Multi-Function Peripheral)
function can be realized.
Example: OKIOFFICE 44/
OKIFAX 4100 OKIFAX 5000 series
PC printer function (300/Q600 dpi) 4 PPM 8PPM (Target)
PC Scanner function 8 dot/mm 8 dot/mm (INT'L),
300 dpi (ODA)
PC Fax Modem function (TIA/EIA Class 1)
PC Memory function
PC Multiplex function Disable Enable
Interface between Fax machine and Host PC consists of three layer structure as detailed below,
each sub-system can be operated at the same time by adopting a Oki-MFPI protocol in both Fax
machine and Host PC.
Note: A simultaneous operation is not supported in OKIOFFICE 44/OKIFAX 4100, but the
structure is same as other machine (OKIFAX 5000 series).
a) Application layer:
Performs a function control of each sub-system at the Host PC and Fax machine.
b) Data-Link layer:
Performs a protocol control at the Host PC and Oki-MFPI (TIA IS650 Level 1 require-
ment).
(Packetize/Unpacketize, flow control, Transfers command/data between each sub-system)
c) Physical layer:
Has a bi-directional interface control circuit which conforms to IEEE1284.
Standard mode: Compatible, Nibble
Oki special mode: MCE (Mode Change Express)
Printer
(Hiper-W)
Scanner
(Oki-SCL 1)
FaxModem
(Class 1)
Memory
(MFPI.)
Oki-MFPI
IEEE 1284
Printer
(Hiper-W)
Scanner
(Oki-SCL 1)
FaxModem
(Class 1)
Memory
(MFPI.)
Oki-MFPI
IEEE 1284
Application Layer
Data Link Layer
Physical Layer
Host PC
OKIOFFICE 44/OKIFAX
4100/5000 series
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