Description
Genuine Conexant CX11261 PCI Dial-Up Fax Modem
Brand: Conexant (Original OEM hardware)
Connect vintage systems or restore legacy hardware with this
genuine OEM 56K internal dial-up fax modem designed for
desktop PCs running legacy and transitional Windows systems.
This modem supports:
- Dial‑Up Internet / Fax / Data
- 56K modem speeds (standard soft modem class)
Compatibility
- Windows 8.1 (auto-detected, driver installed successfully)
- Older Windows versions (driver support may vary)
- PCI (Internal Desktop Slot)
Note: Compatibility with modern systems is
not guaranteed. Requires a functional PCI slot. Dial-up functionality requires an active analog telephone line.
Included
- Conexant CX11261 PCI modem card (bare card only)
Interface Details
- Ports: RJ‑11 Line and Phone
- Form Factor: Internal PCI card
Approximate Dimensions
- Height: 4.2″
- Depth: 5.5″
- Width: 0.8″
Material: PCB & Metal Bracket
Finish: Green board with silver bracket
Condition
Partially Tested – Detected by Windows 8.1
Installed in a Windows 8.1 system where it was detected automatically and drivers installed successfully. Dialing and fax features were not tested due to lack of a landline. This is a modem from an older computer and shows typical signs of use.
Exactly what is shown in the photos is included.
Frequently Asked Questions
What does this modem do?
This device allows a computer to connect to the internet using a telephone line, as well as send and receive faxes using dial-up communication.
Is this an original OEM device?
Yes. This is a genuine Conexant-based component.
View other hardware on our
Conexant brand page.
Manufacturer reference:
Official Conexant Website







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