EXSYS EX-45362 2-Port RS-232 PCIe x1 Serial Adapter Card, Low Profile, ASIX AX99100

Expand your system with two high-speed RS-232 serial ports via a single PCIe x1 slot. The EXSYS EX-45362 delivers reliable connectivity for industrial devices, POS terminals, and legacy equipment, with data rates up to 921.6 Kbps per port and robust 15KV ESD protection.

Advantages

Built on the ASIX AX99100 chipset, this adapter ensures stable performance and broad OS compatibility. The low-profile form factor with included standard bracket fits both slim and full-size desktops. Hardware and software flow control prevent data loss, while 256-byte FIFO buffers per port handle high-speed data bursts efficiently.

Suitable for

• Connecting serial modems, barcode scanners, and industrial sensors
• Upgrading legacy systems to PCIe-based serial connectivity
• Point-of-sale (POS) terminals and kiosks
• Industrial automation and control applications
• Laboratory instruments and data acquisition systems

Key specifications

• Host Interface: PCI Express x1 (PCIe 1.1, backward compatible)
• 2 x RS-232 serial ports, DB9 male connectors
• Chipset: ASIX AX99100
• Max data transfer rate: 921.6 Kbps per port
• 256-byte FIFO buffer per port (transmit/receive)
• Flow control: Hardware (RTS/CTS), Software (XON/XOFF)
• ESD protection: 15KV (Human Body Model)
• Supports data bits 5-8, parity (even/odd/none/mark/space), stop bits 1/1.5/2
• Operating temperature: 0°C to 55°C
• OS support: Windows XP/Vista/7/8/10/11, Server, Linux Kernel 2.6.x+

Recommendations

For reliable multi-port serial expansion in modern systems, the EXSYS EX-45362 offers a proven solution with excellent driver support and robust protection. Pair it with quality serial cables to ensure signal integrity in industrial environments.