EXSYS EX-3682 2-Port RS-232 PCI Express Serial Card, Low Profile

Modern computers often lack legacy serial ports, yet many industrial devices, POS systems, and laboratory instruments still rely on RS-232. The EXSYS EX-3682 solves this by adding two RS-232 ports through a PCI Express x1 slot.

Who is it for

System integrators, IT administrators, and technicians who need to connect serial devices to a desktop or server with a PCIe slot. The low-profile bracket allows installation in slimline or small form factor cases.

Main features

• Two RS-232 serial ports via a single PCIe x1 slot
• ASIX AX99100 chipset for reliable performance
• Supports data rates up to 250 Kbps per port
• 128-byte FIFO buffer per port reduces CPU load
• Includes both standard and low-profile brackets
• Compatible with Windows and Linux

Specifications

• Host Interface: PCI Express x1
• Output Interface: RS-232
• Serial Ports Quantity: 2 ports
• Connector: 2x DB9 Male
• Chipset: ASIX AX99100
• Max Data Transfer Rate: 250 Kbps per port
• FIFO Buffer: 128-byte per port
• Flow Control: Hardware (RTS/CTS), Software (XON/XOFF)
• Data Bits: 5, 6, 7, 8
• Stop Bits: 1, 1.5, 2
• Parity: Even, Odd, None, Mark, Space
• ESD Protection: 15 KV (Human Body Model)
• Operating System Support: Windows XP/Vista/7/8/10/11, Linux Kernel 2.6.x and higher

Tips

Check the available PCIe slot length before purchase; the card is x1 but will fit in larger slots. For slimline cases, use the included low-profile bracket.