Lekuo 2-Port RS-422/485 PCIe Serial Card with Fan-Out Cable

Model

IO-PCE352-PR2S

Chipset

EXAR XR17V352

Interface

PCI-Express 2.0 (compatible with 1.0), supports x1, x4, x8, x16 slots

Serial Ports

2 x RS-422/485 independent ports

Max Data Transfer Rate

Up to 6 Mbps

Surge Protection

600W

ESD Protection

15kV full-signal

Isolation Voltage

2500Vrms magnetic isolation

Transient Suppression

25kV/μs common-mode

Power Isolation

1000V DCDC isolation module

Max Transmission Distance

1200m (at 9600bps)

UART

16550 compatible with 256-byte FIFO

Communication Modes

RS-422 full-duplex; RS-485 half-duplex

Auto Mode Detection

Supports automatic RS-422/485 detection without jumpers

Flow Control

XON/XOFF software control

Operating Temperature

-40°C to 85°C

System Compatibility

Windows Server 2003/2008/2012, Windows XP/Vista/7/8, Linux 2.6.27 and later

Accessories

Low-profile bracket

Dimensions

98 x 69.7 mm

Features
• PCIe 2.0 Gen 1 compliant
• x1 Link, dual simplex, 2.5Gbps in each direction
• Supports x1, x2, x4, x8, x16 (lane) PCI Express Bus connector keys.
• RS485 signals: DATA+ (B), DATA- (A), GND
• RS422 signal: T/R+, T/R-, RXD+, RXD-, GND
• 600W surge protection, 15 KV ESD protection for all serial ports

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
• Linux 2.6.27, 2.6.31, 2.6.32, 3.x.x and newer
• PCI Express-enabled system with an available PCI Express slot

Package details
• 1×PCI-E to 2 port RS422/485 serial port card
• 1×User Manual

Related Downloads

Driver Download

1. IO-PCE352-PR2S

Download

❓ 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

❓ How can I download the drivers? Which drivers are used? I can't find them on the official website.

✅ 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.