Samsung SCX-5530FN/XAZ Service Manual page 35

3.2.8 FAX Section
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 LSD and DIB
of FM336Plus Core
- 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.
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System Overview
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