Ricoh Di-C1 Manual page 371

FACE3 (Fax Application Control Engine)
CPU
Data compression and reconstruction (DCR)
DMA control
Clock generation
DRAM backup control
Ricoh Modem and NCU Circuit
V.34, V.17, V.29, V.27ter, V.21, and V.8
Data transfer
Line control
Ringing signal/tone detection
Slide 371
No additional notes
FCU
371
Di-C1 Training