USR5639 USRobotics 56K USB Softmodem - Desktop - USB Bus-Powered - Fax Support - 1 x RJ-11 Port
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Product Features
Technical Overview
The modem operates at a maximum data transmission rate of 56 kbit/s, supporting a comprehensive suite of ITU-T modulation standards including V.92, V.90, V.32, V.32bis, and V.34 for robust data communication. Fax functionality is enabled through ITU-T V.17, V.27ter, V.29, and V.21 technologies, allowing users to send and receive faxes directly from their computer.
The USB interface provides hot-swappable plug-and-play installation, automatically detecting and configuring the modem when connected. A single RJ-11 port handles the telephone line connection, maintaining compatibility with standard analog phone systems. The device stores preferred modem settings permanently, ensuring consistent performance across sessions.
Relevant factors for this section include Fax Technology, Modulation, Host Interface, Number of Modem (RJ-11) Ports. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
This modem combines ease of use with reliable performance, offering several advantages for businesses and users requiring analog connectivity. Its bus-powered design and plug-and-play installation reduce setup complexity, while broad Windows compatibility ensures integration with current and legacy systems.
Simplified Deployment
The USB interface and bus-powered operation eliminate external power supplies and complex driver installations, allowing quick setup and flexible placement.
- Plug-and-play installation
- No external power adapter needed
- Hot-swappable connectivity
Broad Compatibility
Supports recent Windows operating systems including Windows 10, Server 2012, Server 2016, and Windows Embedded POSReady 2009, with a common driver across platforms.
- Windows 10 compatible
- Server OS support
- Common driver architecture
Integrated Fax Capability
Enables fax transmission and reception directly from a computer, supporting multiple ITU-T fax standards for reliable document handling alongside other applications.
- ITU-T fax standards
- Background fax operation
- Permanent settings storage
Deployment / Use Cases
The USR5639 is ideal for environments where analog communication remains essential, such as fax-dependent offices, legacy system integration, or backup connectivity scenarios. Its compact design and USB connectivity make it suitable for desktops, point-of-sale systems, or remote workstations requiring occasional dial-up or fax access.
Common applications include sending and receiving faxes from accounting or legal documents, providing dial-up internet backup for critical systems, connecting legacy equipment to modern computers, or supporting Windows Embedded systems in retail or industrial settings. The modem's bus-powered operation and small footprint allow flexible placement without dedicated power outlets.
Office Fax Solutions
Replace standalone fax machines with computer-based faxing, reducing hardware costs and enabling digital document management alongside analog transmission.
Legacy System Connectivity
Connect older dial-up devices or systems to modern computers via USB, maintaining functionality while upgrading infrastructure.
Physical Profile
The modem features a compact desktop form factor measuring 0.84 inches in height, 1.18 inches in width, and 3.10 inches in depth, making it unobtrusive on any workspace. Its lightweight construction and simple design facilitate easy placement near a computer or telephone jack, with the included phone cord providing sufficient reach for typical installations.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 0.84" (21.34 mm), 1.18" (29.97 mm), 3.10" (78.74 mm). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 1.18" (29.97 mm)
- Depth
- 3.10" (78.74 mm)
- Height
- 0.84" (21.34 mm)
What's in the Box
The package includes all necessary components for immediate setup and operation.
Package contents include 56K* USB Softmodem Phone Cord, 56K* USB Softmodem. These included items support setup, installation, and immediate deployment without needing to source the core bundled accessories separately.
Highlights
- USB bus-powered design eliminates external power supply
- Hot-swappable plug-and-play installation for easy setup
- Supports fax transmission via ITU-T V.17, V.27ter, V.29, V.21
- 56 kbit/s data rate with ITU-T V.92, V.90 modulation
- Compatible with Windows 10, Server 2016, Server 2012, POSReady 2009
- Common driver across multiple Windows operating systems
- Permanently stores preferred modem default settings
- Compact desktop form factor with small footprint
- RoHS compliant and environmentally friendly
- 1-year limited warranty for reliable performance
Specifications
| Specifications | |
|---|---|
| Manufacturer | U.S. Robotics |
| Manufacturer Part Number | USR5639 |
| Brand Name | USRobotics |
| Product Model | USR5639 |
| Product Name | 56K* USB Softmodem |
| Product Type | Data/Fax Modem |
| Technical Information | |
| Fax Technology | ITU-T V.17,ITU-T V.27ter,ITU-T V.29,ITU-T V.21 |
| Modulation | ITU-T V.92,ITU-T V.90,ITU-T V.32,ITU-T V.32bis,ITU-T V.34 |
| Interfaces/Ports | |
| Host Interface | USB |
| Number of Modem (RJ-11) Ports | 1 |
| Media & Performance | |
| Modem Transmission Data Rate | 56 kbit/s |
| Physical Characteristics | |
| Form Factor | Desktop |
| Height | 0.84" (21.34 mm) |
| Width | 1.18" (29.97 mm) |
| Depth | 3.10" (78.74 mm) |
| Miscellaneous | |
| Package Contents | 56K* USB Softmodem Phone Cord |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 1 Year |
User Manual
FAQ
What operating systems are compatible with this USB softmodem?
The USR5639 is compatible with most recent Windows operating systems, including Windows 10, Windows Server 2016, Windows Server 2012, and Windows Embedded POSReady 2009. It uses a common driver architecture across these platforms, simplifying installation and ensuring consistent performance. This broad compatibility makes it suitable for both desktop and server environments requiring analog connectivity.
Does this modem require an external power supply?
No, the modem is bus-powered via the USB connection, drawing power directly from the computer or hub. This eliminates the need for an external power adapter, reducing cable clutter and simplifying deployment. The bus-powered design also supports hot-swappable operation, allowing the modem to be connected or disconnected without restarting the system.
What fax standards does the USR5639 support?
The modem supports ITU-T fax standards V.17, V.27ter, V.29, and V.21, enabling reliable fax transmission and reception directly from a computer. These standards ensure compatibility with most fax machines and services, allowing users to send and receive documents while running other applications. The modem permanently stores preferred settings for consistent fax performance.
What is the maximum data transmission rate of this modem?
The modem operates at a maximum data transmission rate of 56 kbit/s, utilizing ITU-T modulation standards including V.92, V.90, V.32, V.32bis, and V.34. This speed is suitable for dial-up internet access, legacy data transfers, or backup connectivity where broadband is unavailable. The modem's performance is optimized for reliable analog communication over standard telephone lines.
How many modem ports does this device have?
The USR5639 features a single RJ-11 modem port for connecting to a standard telephone line. This port supports both data and fax communication, providing a straightforward interface for analog connectivity. The included phone cord ensures immediate connection to telephone jacks, making setup quick and simple for various deployment scenarios.
What is included in the package with this modem?
The package includes the 56K USB Softmodem unit and a phone cord for connecting to a telephone line. These components provide everything needed for basic installation and operation. The modem's compact design and bus-powered operation mean no additional power adapters or cables are required, streamlining the unboxing and setup process.
| Qty | Price | Available |
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