Dell 1135N Service Manual page 37

Product specification and feature
2.2.4.3 Fax
Our fax feature is based on Conexant DAA (Data Access Arrangement) Solution, and is controlled by a dual
Chip Set Solution.
- CX86710 (SFX336) : This Modem Chip adds SSD (System Side Device) for interfacing between LSD and
DIB of FM336Plus Core
- CX20493 (LSD) : This Modem Chip LIU (Line Interface Unit) is controlled by SSD and satisfies each PSTN
requirement by modulating the internal configuration with connecting Tel Line.
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Service Manual