b)PC FaxModem receiving (Class 1)

*Oki-MFPI

Packetized data flow.

Data=MFPL Command/Responce, TIA/AT Command/Responce

Designates "UNIT ID=FaxModem"

Contents becomes MFPL and TIA/AT command

Bi-Centro I/F: Compatible & Nibble, MCE Mode

example

Packet lnd Unit ID Length Contents

* Example: "MFP Device Driver" processing (FAX driver with AP)

Resources assurance of FaxModem by running AP (MFPL)

Environment setting by using TIA/AT Command (Incoming call)

Data receiving by using TIA/AT Command

Resources release of FaxModem according to the communication end (MFPL)

Note: Unpacketize with Oki-MFPI

Bi-Centro Send

(Transmission DMA)

Buffer Memory

(Packetize)

Class 1 Control

T30 (PSTN), Modem Control

(Fig. 5)

40672201TX Rev.4

A-11