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USRobotics R20.0013.00 56K External Fax/Modem V.90 Serial/Rs-232
- 56K V.90 data and fax modem
- External unit for easy connectivity
- Serial RS-232 interface
- Supports V.42bis data compression
- Includes error correction (MNP 2-4, V.42)
- LED status indicators for monitoring activity
- Powered by an external AC adapter (often included or required)
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Key specifications
See full specs ↓- Modem Type
- External Fax/Modem
- Data Rate
- 56 Kbps
- Protocol
- V.90
- Interface
- RS-232 Serial
- Fax Speed
- 14.4 Kbps
- Compression
- V.42bis, MNP5
Product details
The USRobotics R20.0013.00 is a 56K external fax/modem utilizing the V.90 standard for high-speed data transmission. It connects via a serial RS-232 interface, making it compatible with a wide range of legacy and modern computer systems. This modem is ideal for applications requiring reliable dial-up internet access or fax capabilities.
Technical Information
| Modem Type | External Fax/Modem |
| Data Rate | 56 Kbps |
| Protocol | V.90 |
| Interface | RS-232 Serial |
Additional Specifications
| Fax Speed | 14.4 Kbps |
| Compression | V.42bis, MNP5 |
| Error Correction | V.42, MNP 2-4 |
Description
The USRobotics R20.0013.00 external modem represents a robust solution for reliable data and fax communication over analog telephone lines. Adhering to the V.90 standard, it offers the highest possible download speeds achievable over standard phone lines, ensuring efficient data transfer for internet browsing and file downloads. Its external form factor simplifies installation and allows for easy relocation between systems without requiring internal chassis access. The serial RS-232 interface provides a widely compatible connection method, ensuring that the modem can be integrated with a broad spectrum of personal computers, servers, and industrial equipment. This makes it a versatile choice for both consumer and business applications where a dependable dial-up connection is essential. The modem is equipped with standard features such as V.42bis data compression and V.42 error correction, which optimize performance by reducing transmission errors and increasing effective data throughput. Beyond its data capabilities, the R20.0013.00 also functions as a high-speed fax modem, supporting 14.4 Kbps fax transmission. This dual functionality makes it a cost-effective solution for users who need both internet access and the ability to send and receive faxes. The modem typically features LED indicators to provide visual feedback on its operational status, including power, transmit, receive, and off-hook activities, aiding in troubleshooting and monitoring.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
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