Lekuo Mini PCIe 4-Port RS-232 Serial Card

About this product

• Industrial-Grade Protection – 15KV ESD safeguards ensure stable serial communication. • Multi-Port Expansion – Adds 4 RS-232 COM ports via Mini PCIe slot. • Wide Compatibility – Supports Windows and Linux with extended temperature range (-40°C to 85°C). Features • PCIe 2.0 Gen 1 compliant • 15 KV ESD protection for all serial ports • Sleep mode with wake-up Indicator • Transmission media: twisted-pair cable or shielded cable • Direction control: Adopt the technology which automatically controls the data-flow direction、automatically distinguish and control the data-transmission direction; • UART interface support for 7 or 8 data bits,1 or 2 stop bits and even/odd/mark/space/none • Flow control none,hardware and xon/xoff • Extended operating temperature range; -40 to 85⁰C Applications • Next generation Point-of-Sale Systems • Remote Access Servers • Storage Network Management • Factory Automation and Process Control System Requirements • Windows® Server 2003, 2008, 2012 • Windows® XP, Vista, 7, 8,8.1,10 • Linux 2.6.27, 2.6.31, 2.6.32, 3.x.x and newer • A available mini PCI Express slot

Q&A ❓ Does this card support the Kylin system? ✅ It supports Kylin, UnionTech and other Linux systems for use. ❓ Does this card require the installation of drivers? Can it be used with the Win7 system? ✅ Yes, it can be used after installing the drivers. The method for installing Windows drivers can be found in the detail page introduction. ❓ Can Linux systems use it without drivers? ✅ 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. ❓How to simply test if the serial port is working and communicating? ❓ How to install drivers on Linux systems? Are there any tutorials? ✅http://www.mmui.com.cn/index.php?id=1782 ❓ What is the interface definition of this serial card? ✅ The pin definitions for RS422 are as follows: 1—RXD- 2—TXD+ 3—RXD+ 4—TXD- 5—GND 6—Empty (VCC is not used in this product) The pin definitions for RS485 are as follows: 1—Empty 2—TX/RXD+(A) 3—Empty 4—TX/RXD-(B) 5—GND 6—Empty ✅ Search for our official website's driver download address on Baidu: http://www.mmui.com.cn/data/upload/image/EXAR352_354_358.zip. Scroll down to find EXAR/352/354/358 and download and install it.