Quatech DSC-100 user manual General Information

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1 General Information

The Quatech, Inc. DSC-100 provides two RS-232 asynchronous serial communication interfaces for IBM-compatible personal computer systems using the PCI expansion bus. The DSC-100 uses Quatech's new Enhanced Serial Adapter design. Legacy serial port data rates are limited to a maximum of 115,200 bits per second. Quatech Enhanced Serial Adapters can achieve data rates as high as 921,600 bits per second.

As a PCI device, the DSC-100 requires no hardware configuration. The card is automatically configured by the computer's BIOS or operating system. The two serial ports share a single interrupt line and are addressed in a contiguous block of 32 bytes. A special interrupt status register is provided to help software to manage the shared interrupt.

The DSC-100's serial ports use 16750 Universal Asynchronous Receiver/Transmitters (UARTs). These UARTs contain hardware buffers (FIFOs) which reduce processing overhead and allow higher data rates to be achieved. The 16750 contains a 64-byte FIFO and can transmit and receive data at a rate of up to 921,600 bits per second. The 16750 is recommended for heavy multitasking environments and for applications involving high data rates.

The DSC-100 is supported under several popular operating systems and environments. Contact the sales department for details on current software offerings. Most device drivers are available for download from the Quatech world wide web site at http://www.quatech.com.

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Contents DSC-100 Date of Purchase Model Number Page Declaration of Conformity Enhanced Serial Adapter Identification Address Map and Special RegistersBase Address and Interrupt Level IRQ Viewing Resources with Device ManagerGeneral Information Features IND Option --- Surge Suppression UpgradeHardware Configuration Factory Default ConfigurationEnable Scratchpad Register SPAD, J8 Force High-Speed Uart Clock X2, X4, or X8, J5-J7 Clock multiplier jumper optionsDTE/DCE Selection J2 -- Port J1 -- PortHardware Installation Jumper/connector locationsPort Address Range Enabling the Special Registers Interrupt Status RegisterOptions Register Bit Name DescriptionClock Rate Multiplier RR1 RR0Windows Configuration Windows MillenniumWindows Windows Windows Page Windows NT Page DOS and Other Operating Systems QTPCI.EXEQTPCI.EXE Basic Mode display QTPCI.EXE Expert Mode display Page OS/2 External Connections DCE PCI Resource Map INTA#Specifications Maximum Load pF Data Rate 10% 15% 20% 25% Kbaud Trans Time Troubleshooting Computer will not boot upDSC-100 Revision June

DSC-100 specifications

The Quatech DSC-100 is a robust and versatile device that serves as a Serial-to-Ethernet converter, enabling seamless connectivity for serial devices to the Ethernet network. Designed for ease of use and high reliability, the DSC-100 is ideal for a wide array of applications in industrial automation, medical devices, telecommunications, and various IoT deployments.

One of the main features of the DSC-100 is its ability to support multiple serial interfaces, accommodating both RS-232 and RS-485 protocols. This flexibility allows a diverse range of equipment to connect effortlessly, whether it’s legacy devices or modern technology. The DSC-100 provides up to four serial ports, allowing users to connect multiple devices simultaneously, streamlining the communication process.

The DSC-100 is equipped with advanced networking technologies, including TCP/IP and UDP protocols. This capability facilitates reliable data transmission over the network, ensuring that data from serial devices is sent and received efficiently. Additionally, the device supports automatic IP addressing, minimizing the need for manual configuration and reducing setup time.

Another notable characteristic of the DSC-100 is its built-in web server. This feature enables users to configure and manage the device through a browser interface, providing a user-friendly experience that simplifies network management. The web interface allows for real-time monitoring of device performance and status, making it easy to identify issues before they escalate.

Security is a top priority in any networked environment, and the DSC-100 includes robust security features to safeguard data. It supports secure socket layer (SSL) encryption and various authentication methods, ensuring that sensitive information remains protected during transmission.

The DSC-100 is designed for durability and can operate in challenging environments. It boasts an industrial-grade housing that protects against dust, moisture, and wide temperature fluctuations, making it suitable for outdoor or harsh indoor applications.

Overall, the Quatech DSC-100 stands out for its feature-rich design, incorporating multiple serial interface support, advanced networking protocols, user-friendly web management, and enhanced security measures. Its combination of durability and flexibility makes it a valuable asset for businesses looking to modernize their serial device connectivity and improve operational efficiency. With the DSC-100, users can bridge the gap between legacy systems and modern networks seamlessly, paving the way for enhanced productivity and innovation.
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