The COMM+16.PCIe: 16-Port DB25 PCI Express RS-232 Serial Adapter is built for applications that require high-density serial communication. It provides 16 RS-232 serial ports, each capable of data rates up to 460.8K bps. The 16C854 UARTs offer 128-byte Tx/Rx FIFOs, ensuring reliable data transmission in demanding environments. The adapter supports all modem control signals for compatibility with a wide variety of serial peripherals. For easy installation, it ships with two 36-inch cables terminating in DB25M connectors; DB9M cables can be selected if needed. The PCI Express X1 compliant card ensures fast and efficient communication, ideal for industrial automation, data logging, and other applications that require a large number of serial connections.