EXSYS EX-11057 PCI Express Dual RS-232 Serial Adapter Card

Modern computers often lack legacy serial ports, yet countless industrial devices, POS terminals, and laboratory instruments still rely on RS-232 connectivity. The EXSYS EX-11057 solves this by adding two high-performance RS-232 ports through a PCI Express x1 slot, enabling seamless communication with your existing serial equipment.

Who is it for

This adapter is ideal for system integrators, IT professionals, and industrial users who need reliable serial connections on modern desktops or servers. It suits applications such as automation, point-of-sale systems, scientific instruments, and legacy device control.

Main features

• Two RS-232 serial ports via a single PCIe x1 slot
• ASIX AX99100 chipset ensures broad OS compatibility and stable performance
• Supports data rates up to 921.6 Kbps per port
• 256-byte FIFO buffers reduce CPU load and prevent data loss
• 15KV ESD protection safeguards against electrostatic damage
• Includes both standard and low-profile brackets for flexible installation
• Hardware and software flow control for reliable data transfer

Specifications

• Host Interface: PCI Express x1 (PCIe 1.1, backward compatible)
• Output Interface: 2 x RS-232 (DB9 male connectors)
• Chipset: ASIX AX99100
• Data Transfer Rate: Up to 921.6 Kbps per port
• FIFO Buffer: 256-byte transmit/receive per port
• Flow Control: Hardware (RTS/CTS, DTR/DSR), Software (XON/XOFF)
• Serial Protocol: Configurable data bits (5,6,7,8), stop bits (1,1.5,2), parity (even, odd, none, mark, space)
• ESD Protection: 15KV on all serial signals
• Operating Temperature: 0°C to 70°C
• Storage Temperature: -20°C to 85°C
• Humidity: 5% to 95% RH (non-condensing)
• OS Support: Windows XP/Vista/7/8/10/11, Server editions, Linux Kernel 2.6.x and later
• Form Factor: Standard profile with low-profile bracket included

Tips

Ensure your system has an available PCIe x1 slot. For low-profile cases, use the included bracket. Install the latest drivers from the EXSYS website for optimal performance and compatibility.