EXSYS PCI 2-Port Serial RS-232 Interface Card EX-S91002

PCI interface card that expands a PC with 2 external RS-232 serial ports, each offering data rates up to 921.6 Kbps. Built on the MosChip MCS9865 chipset, it delivers reliable serial connectivity for industrial and legacy devices.

Advantages

Dual high-speed serial ports on a single PCI card; 128-byte FIFO buffers per port offload the CPU; universal PCI support for 3.3V and 5V slots; broad OS compatibility including Windows, Linux, and DOS.

Suitable for

• Connecting serial peripherals such as barcode scanners, POS terminals, and industrial equipment
• Legacy systems that require native RS-232 ports
• Multi-port serial applications in embedded and automation environments

Key specifications

• Interface: PCI 2.1/2.2/2.3 compliant, universal 3.3V/5V
• Ports: 2 x RS-232, DB9 male connectors
• Chipset: MosChip MCS9865
• UART: 16C950 compatible, 128-byte FIFO per port
• Max baud rate: 921.6 Kbps
• Data bits: 5, 6, 7, 8; Stop bits: 1, 1.5, 2; Parity: even, odd, none, mark, space
• Flow control: hardware (RTS/CTS) and software (XON/XOFF)
• Operating temperature: 0°C to 70°C
• Certifications: CE, FCC, RoHS

Recommendations

Ideal for system integrators and IT professionals needing dependable multi-port serial expansion in a desktop or server with a standard PCI slot.