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Compaq 157071-B21 56Kb/s PCI Data/Fax Modem Card
- 56Kb/s Data Transfer Rate
- Fax Capabilities
- PCI Interface
- Internal Modem Card
- Supports V.90 standard
- RJ-11 Connector for Phone Line
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Product Overview
The Compaq 157071-B21 is a 56Kb/s PCI Data/Fax Modem Card, providing essential communication capabilities for older computer systems. It allows for dial-up internet access and fax transmission through a standard telephone line.
Technical Information
| Product Type | Modem Card |
| Data Rate | 56Kb/s |
| Interface | PCI |
Additional Specifications
| Fax Support | Yes |
| Modulation | V.90 |
Product Description
The Compaq 157071-B21 is a legacy internal modem designed to add data and fax communication capabilities to desktop computers. Utilizing the PCI bus for integration, this card provides a reliable method for establishing connections over traditional analog telephone lines. With a maximum data transfer rate of 56Kb/s, it was a standard for dial-up internet access during its era. Beyond internet connectivity, the modem also supports fax functionality, allowing users to send and receive faxes directly from their computers. This dual functionality made it a versatile peripheral for small businesses and home users. The card features an RJ-11 connector for plugging in a standard telephone cord, enabling communication with other modems or fax machines. Its installation typically requires an available PCI slot on the computer's motherboard and the installation of appropriate drivers.
