EXSYS EX-3605 2-Port RS232 PCIe Serial Adapter Card

Many modern computers lack native serial ports, but industrial equipment, point-of-sale devices, and legacy peripherals still rely on RS232. The EXSYS EX-3605 adds two high-speed RS232 ports through a PCIe x1 slot, restoring compatibility without replacing existing hardware.

Who is it for

System integrators, IT administrators, and industrial users who need to connect serial devices to a desktop or server with a PCIe slot. It suits applications like POS terminals, barcode scanners, CNC machines, and networking equipment.

Main features

• Two RS232 serial ports via DB9 male connectors
• PCIe x1 interface, compliant with PCI Express Base Specification 1.1
• ASIX AX99100 chipset with 128-byte FIFO buffers per port
• Data rates up to 921.6 Kbps per port
• Supports Windows, Linux, and macOS
• Includes both standard and low-profile brackets

Specifications

• Host interface: PCIe x1
• Output interface: RS232 (DB9 male)
• Chipset: ASIX AX99100
• Data transfer rate (max): 921.6 Kbps
• FIFO buffer: 128-byte transmit/receive per port
• ESD protection: 15 KV
• Operating temperature: 0°C to 70°C
• Power consumption: < 1 W typical

Tips

Check your motherboard for an available PCIe x1 slot. For low-profile cases, use the included low-profile bracket. Drivers are available from the EXSYS website for supported operating systems.