Samsung CLX-3185 Service Manual page 30

⑪ Fax
Implemented by based on the SiLab DAA (Data Access Arrangement) Solution, and is roughly composed
of two Chip Solution
• Si2435 (Modem) A Modem Chip which embeds SSD (System Side Device) for interfacing between LSD
and DIB of Si2435 Core
• Si3018 (DAA) A LIU (Line Interface Unit) Chip which is controlled by SSD and satisfies each PSTN
Requirements by modulating internal Configuration with connecting Tel Line.
1) Modem Part
- BLOCK DIAGRAM
Implemented by based on Conexant DAA (Data Access Arrangement) Solution, and is roughly composed of
two kinds Chip Solution
- CX86710 (SFX336) : Existing Modem Chip which adds SSD (System Side Device) for interfacing between
- CX20493 (LSD) : LIU (Line Interface Unit) Chip which is controlled by SSD and satisfies each PSTN
Requirements by modulating internal Configuration with connecting Tel Line
Service Manual
Product spec and feature
LSD and DIB of FM336Plus Core
2-21
Samsung Electronics