OVERVIEW
B779 110 SM
4. DETAILS
4.1 OVERVIEW
The basic fax unit consists of two PCBs: an FCU and an MBU.
The FCU controls all the fax communications and fax features, in cooperation with
the controller board. The MBU contains the ROM and SRAM. Also, the FCU has an
NCU circuit.
Fax Options:
1. Extra G3 Interface option: This provides one more analog line interface. This
allows full dual access. Two extra G3 interface options can be installed.
2. Memory Expansion: This expands the SAF memory and the page memory
(used for image rotation); without this expansion, the page memory is not big
enough for image rotation at 400 dpi, so transmission at 400 dpi is not possible.
MBU
CCUDRV
CCUIF
SG3
SG3
GWFCU3
FCUIF
Memory DIMM
to BICU
B779D901.WMF
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