Serial Boards

The PCIe-S112 CR is a PCI Express x1 serial communication card that adds two RS-232 ports to a host PC. Each port has a 256-byte hardware FIFO and supports full-duplex communication at up to 921600 bps, which suits engineers who need reliable serial links to several devices from one slot.It is designed for intelligent devices such as bar code readers, serial printers, intelligent sensors, instrumentation and any equipment with an RS-232 port. The short card design helps it fit compact host systems. The card is listed with CE, UKCA, FCC, RoHS and WEEE certification.Drivers are provided for 32/64-bit Windows XP/2003/2008/7/8/10 and Linux kernels from 2.6.31 to 5.16.0. For a version with photocoupler isolation and ESD protection on the data lines, see the PCIe-S112i.ApplicationsIndustrial machineryBuilding automationRestaurant appliancesLaboratory equipment and researchIndustrial communication

The PCIe-S112i CR adds two RS-232 serial ports to a PCI Express x1 slot. Each port has a 256-byte hardware FIFO and runs full-duplex at speeds from 300 to 921600 bps, which suits engineers connecting several serial devices to one PC.The i version isolates the data lines of each port with photocouplers, rated at 3000 VDC. This breaks ground loops, limits common-mode voltages and blocks voltage spikes, so a fault on one circuit is less likely to affect the other. On-board ESD protection rated at ±4 kV diverts static discharge away from sensitive circuitry.The card is designed for intelligent devices such as bar code readers, serial printers, intelligent sensors, instrumentation and any equipment with an RS-232 port. Drivers are provided for 32/64-bit Windows XP through 10 and for Linux kernels 2.6.31 to 5.16.0.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

The PCIe-S114 CR is a short-card PCI Express x1 board that gives a computer four RS-232 serial ports, each with its own 256-byte hardware FIFO. Full-duplex operation at up to 921600 bps makes it a practical way to add several serial peripherals to a single machine.It suits instruments, intelligent sensors, bar code readers, serial printers and other equipment fitted with an RS-232 port. Drivers are supplied for 32/64-bit Windows XP, 2003, 2008, 7, 8 and 10, and for Linux kernels 2.6.31 to 5.16.0. This ordering code uses the standard data-line design, without the photocoupler isolation and ESD protection found on the PCIe-S114i.The card uses a DB-37 female connector, and one CA-4002 connector is included with each unit.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

The PCIe-S114i CR adds four RS-232 serial ports to a PCI Express x1 slot, each backed by a 256-byte hardware FIFO and supporting full-duplex communication at up to 921600 bps. It suits engineers who need several serial links from a single PC without relying on USB-to-serial converters.As the i variant, each serial data line is photocoupler-isolated to 3000 VDC, and every port carries ±4 kV ESD protection. These measures help break ground loops, limit common-mode voltages and protect the host computer and connected equipment from voltage spikes and electrostatic discharge in harsh industrial settings.The short card design fits compact chassis, and the board is supplied with a CA-4002 connector. Drivers are provided for 32/64-bit Windows XP/2003/2008/7/8/10 and Linux kernel 2.6.31 to 5.16.0. Typical devices include bar code readers, serial printers, intelligent sensors and instrumentation.ApplicationsIndustrial machineryBuilding automationRestaurant appliancesLaboratory equipment and researchIndustrial communication

PCIe-S118 CR is a PCI Express x1 serial communication card that adds eight RS-232 ports to a host PC. Each port has its own 256-byte hardware FIFO and runs at rates from 2400 to 921600 bps, with full-duplex operation, so it suits serial devices that need steady throughput alongside other peripherals.The card can be assigned an available COM port number automatically by the driver, or the COM port number can be chosen under software control. This makes it practical for engineers who need predictable port mapping when integrating several serial instruments into one system.This ordering code includes one CA-PC62M D-Sub connector. It is intended for connecting bar code readers, serial printers, intelligent sensors, instrumentation and other equipment with an RS-232 port. Its short card design fits compact PC chassis.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

PCIe-S118/D2 CR adds eight RS-232 serial ports to a host PC through a single PCI Express x1 slot. Each port has its own 256-byte hardware FIFO and supports full-duplex communication at rates from 2400 to 921600 bps, which suits engineers connecting several serial devices to one workstation or industrial PC.This variant ships with the CA-9-6210 cable rather than the CA-PC62M D-Sub connector supplied with the PCIe-S118 CR. COM port numbers can be assigned automatically by the driver or selected under software control, and the short card design fits compact chassis.Typical targets include bar code readers, serial printers, intelligent sensors and instrumentation equipment, as well as any device fitted with an RS-232 port.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

The PCIe-S142i CR adds two serial ports to a PCI Express x1 slot, giving engineers a practical way to connect multiple RS-422 or RS-485 devices to an industrial PC. Each port can be set to RS-485 for half-duplex or RS-422 for full-duplex operation, and RS-485 direction is switched automatically.The i version isolates the data lines of each port using photocouplers rated at 3000 VDC, which helps reduce ground loops and common-mode voltage problems and protects the host computer from over-voltage faults on the field side. On-board ESD protection rated at ±4 kV further guards sensitive circuitry against electrostatic discharge.Two DB9 male connectors, with pinouts for RS-422 and RS-485 signalling256-byte hardware FIFO on each port, with baud rates from 300 to 921600 bpsDrivers provided for Windows and LinuxApplicationsIndustrial machineryBuilding automationRestaurant appliancesLaboratory equipment and researchIndustrial communication

PCIe-S144i CR is a short PCI Express x1 card that adds four independent RS-422/485 serial ports to a host computer. Each port can be set up for RS-485 half-duplex or RS-422 full-duplex operation, and the on-board UART bridge handles RS-485 data direction automatically, so the host software does not need to switch the transmitter manually.The i version of the card isolates the data lines of each port with photocouplers rated at 3000 VDC and adds ±4 kV ESD protection. This helps break ground loops, limit common mode voltages and protect the host PC and connected equipment from over-voltage and static discharge in electrically noisy plants and cabinets.Each port has a 256-byte hardware FIFO and supports baud rates from 300 to 921600 bps, with configurable parity, data bits and stop bits. Up to 256 modules can share one RS-485 network. Drivers are provided for 32/64-bit Windows XP through Windows 10 and for Linux kernels 2.6.31 to 5.16.0.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

The PCIe-S148 CR adds eight RS-422/485 serial ports to a PC through a single PCI Express x1 slot. Each port has its own 256-byte hardware FIFO, which helps keep data flowing reliably when several serial devices are connected at once.Ports run from 2400 to 921600 bps and support full-duplex communication. Data bits (5 to 8), stop bits (1, 1.5 or 2) and parity (none, even, odd, mark or space) are configurable, so the board can be matched to most legacy and modern serial peripherals.COM port numbers can be assigned automatically by the driver or selected under software control. This version ships with a CA-PC62M D-Sub connector; the /D2 variant is supplied with a CA-9-6210 cable instead.ApplicationsIndustrial machineryBuilding automationRestaurant appliancesLaboratory equipment and researchIndustrial communication

PCIe-S148/D2 CR adds eight RS-422/485 serial ports to a PC through a single PCI Express x1 slot. Each port has its own 256-byte hardware FIFO and supports full-duplex communication at up to 921600 bps, so it suits engineers who need several serial links on one host without relying on onboard COM ports.COM port numbers can be assigned automatically by the driver, or chosen under software control where a fixed numbering scheme is required. The card uses a short design and is supplied with the CA-9-6210 cable, which distinguishes this order code from the CA-PC62M D-Sub connector variant.Typical targets include bar code readers, serial printers, intelligent sensors and instrumentation, as well as computers and other equipment fitted with an RS-422/485 port.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

VEX-112 CR adds two RS-232 serial ports to a PCI Express x1 slot, giving PCs a practical way to connect bar code readers, serial printers, intelligent sensors and instrumentation equipment.Each port has a 128-byte hardware FIFO and runs at up to 115200 bps in full-duplex mode. COM port numbers can be set with the 8-bit DIP switch or assigned automatically by the driver. Under Windows the driver provides up to 128 KB of software buffering per port, which suits large file transfers.The i-suffixed versions add photocoupler isolation of the data lines and ESD protection, and this ordering code does not include those features. The card uses a short design and lists CE, UKCA, FCC, RoHS and WEEE certifications. The operating temperature range is 0 ~ +60°C.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

VEX-112i CR is a PCI Express x1 serial communication card that adds two RS-232 ports to a host PC. Each port has a 128-byte hardware FIFO and supports full-duplex communication at up to 115200 bps, which suits engineers connecting bar code readers, serial printers, intelligent sensors and instrumentation to a Windows system.Port addressing is flexible. A DIP switch lets you assign a specific COM port number manually, or the driver can select a free number automatically. Under Windows the driver provides up to 128 KB of software buffer per COM port, which helps with large file transfers.The i version isolates the data lines of each serial port with photocouplers rated at 2500 VDC, reducing ground loops and common mode voltage problems. On-board ESD protection rated at ±4 kV diverts damaging static discharge away from sensitive circuitry. The short card design fits compact PCI Express slots.ApplicationsIndustrial machineryBuilding automationRestaurant appliancesLaboratory equipment and researchIndustrial communication

VEX-114 CR is a PCI Express x1 serial communication board that adds four RS-232 ports to a host PC. Each port has a 128-byte hardware FIFO and supports full-duplex communication at up to 115200 bps, making it suited to connecting bar code readers, serial printers, intelligent sensors and instrumentation.A built-in 8-bit DIP switch COM-Selector lets you assign COM port numbers manually, or you can leave it to the driver to choose free numbers automatically. Under Windows, the driver provides up to 128 KB of software buffer per COM port, which helps with large file transfers. The card uses a short design and terminates in a DB-37 female connector, with one CA-4002 connector included.The isolation and ESD protection features described for the i versions of the VEX series do not apply to this CR ordering code.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

The VEX-114/D2 CR is a short PCI Express x1 card that adds four RS-232 serial ports to a host PC. Each port has a 128-byte hardware FIFO and supports full-duplex communication at up to 115200 bps, making it suitable for connecting several serial devices to one computer.A built-in COM-Selector uses an 8-bit DIP switch so the COM port number can be set manually, or the driver can assign an available number automatically. Under Windows the driver provides a software buffer of up to 128 KB per COM port, which helps with large file transfers.The card is designed for intelligent devices such as bar code readers, serial printers, intelligent sensors and instrumentation equipment. The ordering information for this code lists a CA-9-3715D cable as the included accessory. Electrical isolation and ESD protection are features of the i versions of the VEX card, which are listed separately.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

The VEX-144 CR adds four RS-422/485 serial ports to a PC through a PCI Express x1 slot. Each port can be set to RS-485 for half-duplex or RS-422 for full-duplex communication, with speeds from 50 to 115200 bps, making it suited to adding serial devices to a host without spare COM ports.COM port numbers can be assigned manually using the 8-bit DIP switch COM-Selector, or left to the driver to pick an available number automatically. Under Windows the driver provides up to 128 KB of software buffer per COM port, which helps with large file transfers. Each port also has a 128-byte hardware FIFO.This is the standard, non-i version, so photocoupler data line isolation and ESD protection are not included. Where those features are required, the i versions of the VEX-144 series provide them. The card is a short design and ships with one CA-4002 connector.ApplicationsIndustrial machineryBuilding automationRestaurant appliancesLaboratory equipment and researchIndustrial communication

The VEX-144i CR adds four RS-422/485 serial ports to a PC through a short PCI Express x1 card. Each port can be set to RS-485 for half-duplex or RS-422 for full-duplex operation, with baud rates from 50 to 115200 bps, so it suits engineers connecting several field devices to one computer.The i version isolates the data lines of each port with photocouplers rated at 2500 VDC, which helps break ground loops and limits the effect of common mode voltages and voltage spikes. On-board ESD protection rated at ±4 kV diverts static discharge away from sensitive circuitry, protecting the computer and attached equipment in harsh environments.COM port numbers can be assigned manually using the 8-bit DIP switch of the built-in COM-Selector, or left to the driver to pick an available number automatically. Each port has a 128-byte hardware FIFO, and the driver provides up to 128 KB of software buffer per COM port under Windows, which is useful for large file transfers. The card includes one CA-4002 connector with a female DB-37 interface.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

The VXC-112AU CR is a short-card universal PCI board that adds two RS-232 serial ports to a host PC. It suits engineers who need dedicated serial connections for bar code readers, serial printers, intelligent sensors and instrumentation that communicate over RS-232.Each port has a 128-byte hardware FIFO and supports full-duplex communication at up to 115200 bps. The card works with both 3.3 V and 5 V PCI bus signalling. COM port numbers can be set manually using the built-in 8-bit DIP switch COM-Selector, or the driver can assign an available number automatically. Under Windows, the driver provides up to 128 KB of software buffer per COM port, which helps with large file transfers.Each port's data lines are standard RS-232 with no isolation on this variant. For isolated and ESD-protected data lines, the i versions of the VXC-112 series, such as the VXC-112iAU, should be considered. The board is rated for 0 ~ +60°C operation and is CE, UKCA, FCC, RoHS and WEEE listed.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

The VXC-114iAU CR adds four RS-232 serial ports to a PC through a universal PCI slot, supporting 3.3 V and 5 V PCI bus signalling. Each port has a 128-byte hardware FIFO and supports full-duplex communication at up to 115200 bps, which suits serial instruments, sensors, printers and scanners that need dedicated COM ports.COM port numbers can be assigned manually using the 8-bit DIP switch COM-Selector, or left to the driver to choose an available number. Under Windows the driver provides a software buffer of up to 128 KB per COM port, which helps with large file transfers. The DB-37 female connector is supplied with one CA-4002 connector.As an i version, the data lines of each port are isolated by on-board photocouplers, rated at 2500 VDC, which helps break ground loops and block voltage spikes. On-board ESD protection (±4 kV) diverts discharge away from sensitive circuitry, protecting the host computer and attached equipment.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

The VXC-114iAU/D2 adds four RS-232 serial ports to a PCI-equipped PC, with each port backed by a 128-byte hardware FIFO and support for full-duplex communication at up to 115200 bps. It suits engineers who need several serial devices on one host without relying on the motherboard's own ports.The COM port number can be fixed with the 8-bit DIP switch selector or left to the driver to assign automatically. Under Windows the driver provides up to 128 KB of software buffer per COM port, which helps with large file transfers. The 3.3 V/5 V PCI bus support and short card design make it adaptable to a range of host systems.The 'i' variant isolates the data lines of each port with photocouplers rated at 2500 VDC and adds ±4 kV ESD protection. This helps break ground loops, limit common-mode voltages and protect the host and connected equipment from over-voltage and static discharge in harsh industrial environments.ApplicationsIndustrial machineryBuilding automationRestaurant appliancesLaboratory equipment and researchIndustrial communication

VXC-114U CR is a universal PCI serial communication board that adds four RS-232 ports to a host PC. It suits engineers who need to connect several serial devices such as bar code readers, serial printers, intelligent sensors and instrumentation to a single computer.Each port has a 128-byte hardware FIFO and supports baud rates from 50 to 115200 bps with full-duplex communication. Under Windows, the driver provides a software buffer of up to 128 KB per COM port, which helps with large file transfers. The COM port number can be set manually with the built-in 8-bit DIP switch selector, or left to the driver to assign automatically.This is the non-i version of the card, so the isolation and ESD protection features are those of the i versions and are not part of this model. The board supports 3.3 V and 5 V PCI bus signalling and uses a short card design. One CA-4002 connector is included.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

The VXC-114U/D2 CR is a universal PCI serial communication board that adds four RS-232 ports to a PC. It suits engineers who need to connect several serial devices, such as bar code readers, serial printers, intelligent sensors and instrumentation, to a single host without fitting a separate serial adapter for each port.Each port has a 128-byte hardware FIFO and supports speeds from 50 to 115200 bps, with full-duplex communication. Under Windows, the driver provides a software buffer of up to 128 KB per COM port, which helps with large file transfers. The COM port number can be set manually using the built-in 8-bit DIP switch, or the driver can assign an available number automatically.This variant is supplied with a CA-9-3715D cable rather than the CA-4002 connector included with the VXC-114U CR. The board uses a DB-37 female connector, is a short card design and supports the 3.3 V/5 V PCI bus.ApplicationsIndustrial machineryBuilding automationRestaurant appliancesLaboratory equipment and researchIndustrial communication

The VXC-118U CR adds eight full-duplex RS-232 ports to a PCI-based host, making it a practical choice when a PC needs to talk to several serial devices at once. Each port has its own 256-byte hardware FIFO, which helps buffer data between the card and the host.The card works with both 3.3 V and 5 V PCI bus signalling and uses a short card layout. COM port numbers can be assigned automatically by the driver to the first available number, or selected manually under software control, which simplifies integration with existing serial applications.This ordering code includes one CA-PC62M D-Sub connector for the DB-62 female interface. It suits engineers connecting barcode readers, serial printers, intelligent sensors, instrumentation and other equipment fitted with an RS-232 port.ApplicationsIndustrial machineryBuilding automationRestaurant appliancesLaboratory equipment and researchIndustrial communication

The VXC-118U/D2 is a universal PCI card that adds eight RS-232 serial ports to a host computer. It suits engineers connecting bar code readers, serial printers, intelligent sensors and instrumentation to a PCI-equipped PC.Each port has its own 256-byte hardware FIFO and runs at rates from 50 to 115200 bps with full-duplex operation. Parity can be set to None, Even, Odd, Mark or Space, with 5 to 8 data bits and 1, 1.5 or 2 stop bits. The card supports both 3.3 V and 5 V PCI bus signalling, and the COM port number can be assigned automatically or chosen under software control.Check the cabling accessory before ordering. The price list description for this code refers to a CA-9-6210 cable, while the ordering description for the VXC-118U CR lists a CA-PC62M D-Sub connector. The card has a female DB-62 connector.ApplicationsIndustrial MachineryBuilding AutomationRestaurant AppliancesLaboratory Equipment & ResearchIndustrial Communication

The VXC-142iAU CR adds two RS-422/RS-485 serial ports to a PC through a universal PCI slot. Each port can be set to RS-485 for half-duplex or RS-422 for full-duplex operation, with speeds up to 115200 bps.The i version isolates the data lines with on-board photocouplers, keeping the serial channels electrically separated from the host. This helps reduce ground loops and common-mode voltage problems, and the 2500 VDC isolation and ±4 kV ESD protection add robustness where electrical noise and voltage spikes are a concern.COM port numbers can be fixed with an 8-bit DIP switch or left to the driver, which assigns an available number automatically. Under Windows the driver provides up to 128 KB of software buffer per port, backed by a 128-byte hardware FIFO, which suits large file transfers.ApplicationsIndustrial machineryBuilding automationRestaurant appliancesLaboratory equipment and researchIndustrial communication