Lekuo 4-Port RS-422/485 PCIe Serial Card with Fan-Out Cable

Model

IO-PCE354-PR4S

Chipset

XR17V354

Interface

PCI-Express 2.0 Gen 1, x1 lane

Data Transfer Rate

Up to 921.6kbps

Serial Ports

4 x DB9 male connectors (RS-422/485) via one-to-four fan-out cable

UART

16C550 compatible with 256-byte FIFO (transmit/receive)

Supported Signals

TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI

Baud Rate

Configurable up to 921.6kbps

System Compatibility

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

Accessories

1 x PCIe 4-Port RS-422/485 Card, 1 x User Manual, 1 x Low Profile Bracket

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

• Working mode: asynchronous working、point-to-point or point-to-multipoint 2 wires (half duplex) 4 wires (full duplex)

• Transmission distance: RS-485/422 port:1.2km (300bps-921600bps)

• 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

• Load capability; Support point-to-multipoint transmission. Each converter can connect 32 RS-422 or RS-485 interface equipment

• 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

• 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

Related Downloads

Driver Download

1. IO-PCE354-PR4S

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.