Boards; Fcu - Ricoh B121 Service Manual

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Table of Contents

BOARDS

The FCU (Facsimile Control Unit) controls fax communications, the video interface

to the base copier's engine, and all the fax options.

FACE3 (Fax Application Control Engine)

• Data compression and reconstruction (DCR)

• DMA control

• Clock generation

• DRAM backup control

• Ringing signal/tone detection

FAME (Ricoh Modem)

• V.34, V.33, V.17, V.29, V.27ter, V.21, and V.8

LSD (Line Side Device)

• Data transfer

• Line control

B620D901.WMF

Table of Contents

B259 B260 B261 B122 B123