Industrial Surge PCIe 4 port RS485 RS422 Com Serial Card

Availability: Out of stock


Features and Benefit

Expands 4 port Serial Card RS485 RS422 Com port for your system

Communicate efficiently with connected device up to high-speed 921Kbps support

PCIe base specification 3.0/3.1 compliant backward compliant 1.0a / 1.1 / 2.0 / 2.1

Supports PCIe x1, x2, x4, x8, and x16 Lane

Max 10 device connectivity for 4 Wire RS-485(RS-422 Multi-Drop) mode

Max 32 device connectivity for 2 Wire RS-485 mode

Extended operating temperature range -30°C to 75°C

Protect your system from damage with integrated ESD Protection

600W Surge protection

Support Industrial Serial Card Specification

256 Byte FiFo per transmitter and receiver

Supports Microsoft Windows, Linux, and QNX drivers

Standard profile bracket or two low profile(half-height) bracket

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Product Description:

2 port High Speed Serial RS485 RS422 PCI Express(PCIe) Card supports Standard and Low Profile Bracket, with 600W Surge Protection

Industrial Surge ESD Protection PCIe 2 port Serial Card RS485 RS422 Standard and Low Profile Bracket Manufactory in Taiwan





shentek releases 2 port Serial RS485 RS422 PCI Express(PCIe) Card. It is great design for PCI Express Base specification revision 1.1. Also work with PCI Express x 1, x2, x4, x8 and x 16 lane bus. It designs for standard and low profile bracket. With this card, it can add 2 port Serial RS422(Point to Point Mode), or 2 Wire RS485 or 4 Wire RS485(RS-422 Multi-drop mode) to your system’s need. The 52004 supports 256 bytes onboard FIFO and compatible with 16C1050 UART specification. It also comes for High Speed up to 921.6Kbps baud rate. It is good with all kind of industrial



Industrial Machine / Control Assembly in production environment

POS(Point of Sale) retail application in stores, and connect keyboard, cash drawers, receipt printers, card readers/card swipes, scales, elevated displays

Bank System to Serial RS232 devices are cash drawers, card reader, card swipes, printers, keypads, pin number pads, pen pads.

Self-service automated machines and kiosks (in customer-facing areas such as grocery stores or airport) to control serial devices such as scales, touchscreen, magnetic card readers, barcode scanners, receipt printers, label printers

Self-service automated machines and KIOSK(Auto Teller Machine, Vending Machine, Ticketing Machine, Gaming Machine, rental station Kiosk) to control serial RS232 devices for scales, touchscreen, magnetic card reader, barcode scanner, receipt printer, label printer, PLC,

Control multiple surveillance / security camera in parking lot, office building, street

ATM (Automated Teller Machine) installation for controlling keypads, receipt printers, card readers / card swipes, touchscreen LCD’s, camera controls

ATM(Automated Teller Machine) controls keypads, receipt printers, card readers, card swipes, touchscreen, camera control, alarm

Industrial automation factory / manufacturing – NCT, CNC, Printing,

Automated Teller Machine(ATM), Point of Sale(POS), Automated Retail Kiosks, Embedded System, Payment System, Traffic System, Factory Automation and Process Control, Building Automation, Healthcare System, Remote Access Servers, Storage Network Management, IIoT / IoT, Food & Beverage, Machine Vision, YouBike , Material Handling, Process Automation, Water Treatment process, Water Pipeline monitoring, Remote Pump Station Monitoring, Water Resources Management, Solar Power, Substation , Wind Turbine Monitoring, Security, Fire Alarm Monitoring, Gate Monitoring, Onboard Surveillance, Parking Lot Surveillance, Rus Depot, Light Rail , Railroad Crossing, Toll Plaza, Traffic Monitoring, Weigh station, Offshore Platform, Oil Pipeline

Automated Teller Machine(ATM)

Point of Sale(POS)

Automated Retail Kiosks

Embedded System

Payment System

Traffic System

Factory Automation and Process Control

Building Automation

Healthcare System

Remote Access Servers

Storage Network Management


Communication controller: 16C550 UART Compatible register Set

Bus: PCI Express x 1

Connector: DB44 Female


Serial Interface

Number of ports: 4 ports

Serial Standard: RS-422(Point to Point mode), RS-485(2 Wire RS-485 mode), 4 Wire RS-485(Multi-Drop RS-422 mode)

IRQ and I/O Address: Assigned by System


Serial Line Protection

ESD Protection: 15KV ESD Protection for all signals

Surge Protection: 600W Surge Protection for RS485 RS422 signals



Baud rate: up to 921.6 Kbps

FIFOs: 256 byte


        Serial Communication Parameters

Data Bits: 5, 6, 7, 8

Stop Bits: 1, 1.5, 2

Parity: None, Even, Odd, Space, Mark


        Serial Signals

RS-422: TxD+, TxD- RxD+, RxD-, GND

2 Wire RS-485: Data+, Data-, GND

4 Wire RS-485: TxD+, TxD-, RxD+, RxD-, GND


Driver Support

Windows: XP, 2003, Vista, 2008, Win 7, Win 8.1, and Win 10

Linux: 2.6, and 3.x

QNX: 6.0


Physical Characteristics

Bracket: Standard and Low Profile Bracket

Bracket Space: 1


Environmental Limits

Operating Temperature: -30 ~ 75℃

Storage Temperature: -40 ~ 85℃

Ambient Relative Humidity: 5 ~ 95% Non-Condensing


        Standards and Certifications

CE and FCC supports


        Product Production

Production: Made in Taiwan

Product Location: Taipei, Taiwan


Package Content

4 port RS485 RS422 PCI Express Card x 1

DB44 pin to 4 x DB9M Cable x 1

DB9F to 5 pin Terminal Block 600W Surge Adapter x 4

Low Profile Bracket x 1

Quick Instill Guide x 1

Driver CD x 1



Warranty Period: 2 Years

shentek designs 4 port RS485 RS422 PCIe card supports Low profile bracket

The card designs for Industrial Level

each port can be set up as RS485 or RS422 be indepanded

the 600W surge adpater comes with by option

it has more items such as RS422 RS485 RS232

it supports plug and play



Weight0.76 kg


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  • Delivery by: Chunghwa Post Co., Ltd
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  • Delivery Way: Register Small Packet – Air Mail
  • Delivery Time: for most of area is around 15 – 20 working days. South America area and some countries are around 21 – 30 working days.
  • Delivery by: Chunghwa Post Co., Ltd
  • Delivery Location: Ship from Taiwan
  • Delivery Way: Register Small Packet – Air Mail
  • Delivery Time: for most of area is around 5-7 working days. South America area and some countries are around 15- 17 working days.
We suggest to use EMS, because it is fast and safe. Thank You