EXSYS EX-42378 placa adaptadora série RS-232 PCI Express 2 portas, Low Profile

Industrial automation engineers and IT administrators often face the challenge of connecting legacy serial devices to modern computers that lack native COM ports. The EXSYS EX-42378 solves this by adding two high-performance RS-232 ports through a PCI Express x1 slot. Whether you're integrating barcode scanners, POS terminals, laboratory instruments, or CNC machines, this adapter ensures seamless communication with your existing equipment.

Key specifications

• Host Interface: PCI Express x1 (compatible with PCIe 1.1, 2.0, 3.0)
• Output Interface: 2 x RS-232 serial ports (DB9 male connectors)
• Chipset: ASIX AX99100 with 256-byte FIFO per port
• Baud Rate: Up to 921.6 Kbps per port
• Serial Protocol: RS-232 with full modem control and hardware/software flow control
• Data Bits: 5, 6, 7, 8; Stop Bits: 1, 1.5, 2; Parity: Even, Odd, None, Mark, Space
• Form Factor: Low profile with standard bracket included
• ESD Protection: 15KV HBM
• Operating Temperature: 0°C to 70°C
• OS Support: Windows 7/8/10/11, Windows Server, Linux Kernel 2.6.x and later
• Certifications: CE, FCC, RoHS

Why choose it

The EX-42378 delivers reliable serial connectivity with a robust ASIX chipset and large FIFO buffers to prevent data loss under heavy loads. Its low-profile design fits slim desktops and 2U rackmount servers, and the included standard bracket ensures compatibility with full-height cases. The card supports a wide range of operating systems, making it versatile for mixed environments. With 15KV ESD protection, your equipment is safeguarded against electrostatic discharge, ensuring long-term durability.

Ideal use cases

• Industrial automation: Connect PLCs, sensors, and control systems.
• Point-of-sale: Integrate receipt printers, cash drawers, and barcode scanners.
• Laboratory and medical: Interface with analytical instruments and diagnostic devices.
• Security systems: Attach access control panels and surveillance equipment.
• Legacy system upgrades: Add COM ports to new computers without serial headers.

Good to know

The adapter includes both low-profile and standard brackets, a driver CD, and supports hardware flow control (RTS/CTS) and software flow control (XON/XOFF). It is fully compliant with PCI Express specifications and comes with a comprehensive driver package for Windows and Linux. The card is RoHS compliant and backed by EXSYS quality.