Features
Supports up to 8 RS232 Serial ports
On chip 256 byte FIFOs in transmit and receive path of each serial port
Available WHQL software drivers for Windows operating systems
Operating temperature range:-40℃ to 85℃
Specification
General
Compliant with PCI-Experss Specification 2.0 and backward compatible with PCI-Express 1.1
Single-Lane (x1) PCI-Express with throughput up to 2.5Gbps
Supports Re-map function for legacy ports
Dimensions: 100mm (L) x 120.0mm (W) x 21.5mm (T) (approx.)
Supports:Windows 8.1, Windows 7 / Vista / XP / 2000 / Server
2003-2008 32/64-bit, Linux & Mac OS/X 10.5 operating system
Package Contents
PCI-Express I/O card x 1
RS232 8-ports Serial x 1
User manual x 1
Software Driver CD x 1
<p>Q: Does this card support the Kylin system?</p><p> A: It supports Kylin, UnionTech and other Linux systems for use.</p><p>Q: Does this card require the installation of drivers? Can it be used with the Win7 system? </p><p>A: Yes, it can be used after installing the drivers. The method for installing Windows drivers can be found in the detail page introduction.</p><p>Q: Can Linux systems use it without drivers? </p><p>A: The RS232 serial card supports using the system's built-in kernel drivers, so it can be used without installing drivers. However, RS422/RS485 serial cards with PCI_E and miniPCE interfaces require the installation of drivers for use.</p><p>Q:How to simply test if the serial port is working and communicating?</p><p> <img src="/data/upload/image/20250912/1757656873115789.png" title="1757656873115789.png" alt="20250910_114545.png"/></p><p>Q: How to install drivers on Linux systems? Are there any tutorials? </p><p>A:http://www.mmui.com.cn/index.php?id=1782</p><p>Q: What is the interface definition of this serial card? </p><p>A: The pin definitions for RS422 are as follows:</p><p>1—RXD-</p><p>2—TXD+</p><p> 3—RXD+</p><p>4—TXD-</p><p>5—GND</p><p>6—Empty (VCC is not used in this product)</p><p>The pin definitions for RS485 are as follows: </p><p>1—Empty</p><p>2—TX/RXD+(A)</p><p>3—Empty</p><p>4—TX/RXD-(B)</p><p>5—GND</p><p>6—Empty</p><p>Q: How can I download the drivers? Which drivers are used? I can't find them on the official website. </p><p>A: Search for our official website's driver download address on Baidu: <a data-cke-saved-href="http://www.mmui.com.cn/index.php?catid=38" href="http://www.mmui.com.cn/index.php?catid=38">http://www.mmui.com.cn/data/upload/image/EXAR352_354_358.zip</a>. Scroll down to find EXAR/352/354/358 and download and install it.</p><p><br/></p>
Downloads
