Ricoh M281 Series - BOARDS; FCU; FACE3.5 (Fax Application Control Engine); Modem (FAME2)

Boards
SM 149 D255/D256 FAX OPTION
D255/D256
FAX OPTION
5.2 BOARDS
5.2.1 FCU
The FCU (Facsimile Control Unit) controls fax communications, the video interface to the base
copier's engine, and all the fax options.
FACE3.5 (Fax Application Control Engine)
 CPU
 Data compression and reconstruction (DCR)
 DMA control
 Clock generation
 DRAM backup control
Modem (FAME2)
V.34, V33, V17, V.29, V.27ter, V.21, and V.8
DRAM
The 16 MB of DRAM is shared as follows.
 SAF memory: 4MB
 Working memory: 4MB
 Page memory: 4MB
 The SAF memory is backed up by a rechargeable battery.