The Unitek Y-7503 and Y-7504 are professional-grade 2-port serial RS232 PCI and PCI-E cards, respectively. Designed to expand the connectivity options of your PC, these cards allow users to add serial and parallel ports to their systems, facilitating the connection of various peripheral devices.

Y-7503 – 2-Port Serial RS232 PCI Card

Features:

• Easy Installation: Automatically selects IRQ and I/O address.
• Compliance: Fully compliant with PCI Local Bus Specification Revision 2.3.
• Power Management: Supports PCI power management.
• PCI IRQ Sharing: Saves valuable resources for other add-on cards.
• Compatibility: Works with industrial standard 16C550 UART.
• FIFO Buffer: 256-byte depth FIFO in transmit and receive paths of each port.
• Data Transfer Rate: Up to 115.2kbps for each port.
• Hardware and Software Flow Control: Supports various configurations.
• Serial Format Support: 5, 6, 7, 8-bit serial format.
• Parity Support: Even, odd, none, space & mark parity.
• Stop Bit Support: 1 or 2 stop bit operation.

Y-7504 – 2-Port Serial RS232 PCI-E Card

Features:

• Compliance: Fully compliant with PCI-Express Base Specification Revision 1.1.
• PCI-E Express: Single-Lane (x1) PCI-Express with output up to 2.5Gbps.
• Re-map Function: Supports re-map function.
• Compatibility: Industrial standard 16C450/16C550 UART.
• FIFO Buffer: 256-byte depth FIFO in transmit and receive paths of each port.
• Data Transfer Rate: Standard up to 250kbps, special version up to 1Mbps.
• Flow Control: Supports hardware and software flow control.
• Serial Format Support: 5, 6, 7, 8-bit serial format.
• Parity Support: Even, odd, none, space & mark parity.
• Stop Bit Support: 1 or 2 stop bit operation.

Introduction: These PCI and PCI-E multi-I/O cards utilize the latest peripheral controller chipset from MosChip, enabling installation on any PCI or PCI-E capable PC system. Most modern motherboards lack built-in serial or parallel ports; these cards bridge that gap, providing superior performance and high-speed data transfer. Ideal for industrial automation applications, the Unitek Y-7503 and Y-7504 ensure seamless integration and enhanced connectivity for various professional and industrial setups.