The Titan PCIe -400 User Manual provides specifications, pin‑out details, and Windows driver installation instructions for the 4‑port serial I/O cards.
The PCIe -400 and PCIe -400LP are plug‑and‑play 4‑port RS‑232 serial I/O expansion cards for PCI Express. They use the EXAR XR17V354 UART chip and support data rates up to 921.6 kbps, with 256‑byte FIFO buffers on each port.
The manual includes a full feature list, technical specifications, pin‑out diagrams for DB9 and DB44 connectors, step‑by‑step Windows driver installation, and instructions for uninstalling the drivers.
| Bus Interface | PCI Express Single‑Lane (×1) |
|---|---|
| Chipset | EXAR XR17V354 |
| Number of Serial Ports | Four |
| Maximum Bitrate | 921.6 kbps |
| UART FIFO Buffer per Port | 256 bytes |
| Operating Temperature | 0 °C to 60 °C |
| Safety Approvals | CE, FCC |
The PCIe -400 provides four RS‑232 ports.
Switch off the computer and insert the PCI Express industrial serial I/O card into a free PCI Express bus slot.
Right‑click on the Exar’s Communications Port (COMx) entry in Device Manager and select “Uninstall”.