Universal PCI RS-232 Communication Board User's Manual, Describes the features and characteristics of the products.
The Sunix Universal PCI RS-232 Communication Board is a plug‑and‑play PCI/PCI‑X serial I/O card that expands a PC with multiple RS‑232 ports. It supports both 3.3 V/5 V interfaces and includes on‑chip flow control, a 128‑byte FIFO, and ESD protection, making it suitable for commercial and industrial automation.
This manual covers package contents, hardware installation, driver setup for Windows and Linux, port configuration, advanced settings, and contact information for technical support. It also lists the product specifications, safety guidelines, and regulatory approvals.
| Number of ports | 1/2/4/8/16 |
|---|---|
| Maximum data rate | 115.2 Kbps (921.6 Kbps optional) |
| FIFO size | 128 byte |
| Supported bus | 32‑bit PCI and 64‑bit PCI‑X |
| ESD protection | +2 kV per signal (optional +15 kV) |
| Operating temperature | 0 °C to 60 °C |
| PCI compliance | PCI 33 MHz, spec version 3.0/2.3/2.2/2.1 |
The board can be configured with 1, 2, 4, 8, or 16 serial ports.
Supported operating systems include Microsoft Windows (XP, Vista, 7, Server 2000/2003/2008), Linux, DOS, FreeBSD, QNX, and OS/2.
The board is plug‑and‑play; I/O address and IRQ are assigned automatically by the BIOS.