DP CYBERSERIAL 4S PCIE RS-232 Four Serial Ports to PCI Express

The DP CYBERSERIAL 4S PCIE RS-232 Four Serial Ports to PCI Express is a rugged, high-performance expansion card that instantly extends a computer’s communication capabilities. Perfect for industrial environments, data acquisition, point-of-sale systems, and legacy equipment integration, this PCIe RS-232 adapter delivers reliable, stable serial connections across four independent ports. Designed to maximize compatibility and ease of use, this card turns your desktop or workstation into a powerful hub for serial devices, enabling seamless control, monitoring, and data logging without compromise.

• Four RS-232 serial ports with DB9 connectors provide broad compatibility with legacy hardware, industrial controllers, CNC machines, barcode scanners, and telemetry devices. Each serial port supports standard RS-232 signaling and essential handshake options (RTS/CTS, DTR/DSR) to ensure dependable data transfer even in electrically noisy environments.
• PCI Express interface for fast, reliable I/O This RS-232 four-port adapter plugs into a PCIe slot, delivering a compact, space-efficient solution that preserves motherboard resources while expanding your system’s serial I/O capacity. Ideal for desktop workstations, industrial PCs, and embedded workstations where multiple serial channels are required.
• Driver-ready with broad OS support The DP Cyberserial 4S ships with robust driver support for Windows and Linux platforms, enabling quick deployment in a variety of environments. Software developers and IT teams will appreciate straightforward installation, easy COM port enumeration, and seamless integration into existing serial communication workflows.
• Durable, industrial-grade construction Built for reliability, the card features a sturdy metal chassis and EMI-aware design to minimize interference. It ships with both full-height and low-profile brackets, giving you flexibility to install in standard towers and compact enclosures alike.
• Versatile applications across industries With four independent RS-232 channels, this PCIe serial card supports simultaneous multi-device communication, data logging, remote sensing, and equipment control. It’s a practical solution for manufacturing automation, warehouses, kiosks, lab testing, and any scenario that relies on robust serial connectivity.

Technical Details of DP CYBERSERIAL 4S PCIE RS-232 Four Serial Ports to PCI Express

• Interface PCI Express expansion card (PCIE) designed to add four RS-232 ports to a host system.
• Ports 4 x RS-232 serial ports using DB9 connectors, enabling direct connection to a wide range of legacy and modern devices that rely on RS-232 communication.
• UART architecture 4 x 16550-compatible UARTs with support for standard RS-232 signaling and internal FIFOs to smooth data flow and reduce CPU load during high-throughput serial communications.
• Data rates Supports common RS-232 data rates up to 115200 bps per port, with configuration options in the driver to match device requirements and ensure reliable data transfer across all channels.
• Handshake and flow control RTS/CTS and DTR/DSR signaling are supported to provide hardware flow control, while software flow control (XON/XOFF) can be enabled to suit specific application needs.
• Driver and OS support Compatible with Windows and Linux operating systems, with standard COM port naming in software to simplify integration with existing applications and middleware.
• Form factor and brackets Standard PCIe card footprint with both full-height and low-profile (half-height) brackets included, offering installation flexibility in a wide range of chassis and enclosure sizes.
• Power and performance This card is powered through the PCIe slot, eliminating the need for an external power connector for typical operation while delivering stable, low-latency serial communication across all four ports.
• Durability and compatibility Engineered to withstand demanding environments, with reliable signal integrity and broad compatibility across a variety of serial devices and industrial controllers.

How to Install DP CYBERSERIAL 4S PCIE RS-232 Four Serial Ports to PCI Express

Installing the DP Cyberserial 4S is straightforward and designed to minimize downtime. Follow these steps to add four RS-232 serial ports to your PC or workstation:

1. Power down the computer and unplug the power cord to ensure safety during hardware installation.
2. Open the computer case to access the motherboard and available PCIe slots. If you’re installing into a compact chassis, choose the appropriate low-profile bracket.
3. Identify a free PCIe slot (typically a PCIe x1 slot works for this card) and remove the slot cover from the chassis to create an opening for the bracket.
4. Carefully insert the DP CYBERSERIAL 4S card into the PCIe slot, ensuring it seats firmly. Secure the card with a screw to fasten the bracket to the chassis.
5. Replace the case cover and reconnect power. Power on the system and boot into the operating system.
6. Install drivers from the included driver disc or download the latest drivers from the manufacturer’s website. Follow on-screen prompts to complete the installation, then reboot if required.
7. Connect your RS-232 devices to the four DB9 ports on the card’s bracket. Configure each port in your software as a separate COM port, assign the appropriate baud rate, parity, stop bits, and flow control as needed for your application.
8. Verify port availability in the operating system’s device manager (Windows) or appropriate Linux tools, and test with a terminal program or your application to confirm proper communication across all four channels.

Frequently asked questions

Below are common questions about the DP CYBERSERIAL 4S PCIE RS-232 Four Serial Ports to PCI Express and how this card can fit into your setup. If you don’t see your question here, you can typically find answers in the user manual or vendor support pages.

• What does DP CYBERSERIAL 4S offer? It provides four independent RS-232 serial ports through a PCI Express expansion card, enabling reliable multi-device serial communication for industrial automation, data collection, and legacy equipment integration.
• Which operating systems are supported? The card offers driver support for Windows and Linux, making it suitable for a wide range of desktops, workstations, and embedded systems used in professional environments.
• Does it require external power? In most configurations, the card is powered via the PCIe slot itself, so no separate power supply is needed for standard operation. Always verify power requirements based on your specific chassis and usage.
• Can I use all four ports simultaneously? Yes. The design is intended for concurrent operation across all four RS-232 ports, enabling parallel communication with multiple devices without port contention.
• What kind of devices can connect through these ports? Any device that supports RS-232 serial communication, including industrial controllers, PLCs, serial sensors, kiosks, barcode scanners, modems, and legacy equipment, can typically connect through this card.
• Are there software considerations for port naming? On Windows and Linux, each RS-232 port is exposed as a COM (or tty) device. Applications typically address ports as COM1–COM4 (or /dev/ttyS0–/dev/ttyS3 on Linux), simplifying integration with existing software stacks.
• What about card compatibility and installation? The card is designed to be compatible with standard PCIe motherboards and is adaptable to common desktop and workstation configurations. If your chassis provides both full-height and low-profile options, you can choose the bracket that best fits your enclosure.