4-port RS-422/485 PCIe Card w/ Surge & Isolation

  • 4-port RS-422/485 PCIe Card w/ Surge & Isolation
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Model:4-port RS-422/485 PCIe Card w/ Surge & Isolation
  • Expands 4 independent RS-422/485 serial ports with communication speeds up to 921.6Kbps.
  • With high reliable native PCI Express 16C950 UART controller.
  • Designed to meet PCI Express Base Specification Revision 2.0.
  • RS-422 and RS-485 auto detect and switching technology – jumper and software free.
  • AHDC/CS™ technology for collision free communication.
  • On-chip hardware auto flow control to guarantee no data loss.
  • Ultra low power consumption design for Green Environment.
  • 15KV ESD protection for all serial signals meets IEC-61000-4-2 standard.
  • 2KV surge protection for all serial signals meets IEC-61000-4-5 Level 3 standard.
  • 1.5KV isolated protection for all signal and power meets IEC-60747-5-5 standard.
  • Plug-n-Play, I/O address and IRQ assigned by BIOS.
  • Certified by CE, FCC, VCCI, C-Tick, BSMI, RoHS, and Microsoft WHQL approval.
  • Support Microsoft Windows, Linux, and DOS OS.
4-port RS-422/485 with Surge & Isolation PCI-Express Serial Card, allows users to expand four RS-422/485 ports on PC-based system. Each serial port achieves data rates up to 921.6 Kbps and utilizes 16C950 UART with an on-chip 128-bytes hardware FIFO buffer for reliable, high-speed serial I/O. 
Interface RS-422/485

BUS PCI Express 2.0 x 1 (single lan)

No. of Port 4-port

IRQ & IO Assigned by System

Signal RS-422: TxD+, TxD-, RxD+, RxD-, GND
4-wire RS-485: TxD+, TxD-, RxD+, RxD-, GND
2-wire RS-485: Data+, Data-, GND

Protection ±15KV ESD IEC6000-4-2 Air Discharge
±8KV ESD IEC61000-4-2 Contact Discharge
±4KV ESD IEC61000-4-2 Level 2 Line-to-Line
2KV Surge IEC61000-4-5 Level 3 Surge Immunity Test
1.5 KV Isolation IEC60747-5-5 Hi-Pot

PCB Connector DB44 Female

Baud rate 50bps ~921.6Kbps

Stop bit 1,1.5,2

Parity Even, odd, none, mark, space

Flow Control Xon/Xoff (software)

FIFO 128byte Hardware

Windows Client XP/Vista/7/8.x/10 (X86/X64)

Windows Server 2000 / 2003 / 2008 / 2008 R2 / 2012 / 2012 R2 (X86/X64)

Windows Embedded Windows CE 4.2/5.0/6.0
XP Embedded / POSReady 2009 / POSReady 7 / Embedded System

Linux Linux 2.4.x/2.6.x/3.x


Hardware EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, FCC Part 15 Class B, BSMI: CNS13438, C-Tick: CISPR22 AS/NZS, RoHS

Software Microsoft WHQL Windows
• Windows Client: XP/Vista/7/8.x/10 (X86/X64)
• Windows Server: 2000/2003/2008/2008 R2/2012/2012 R2 (X86/X64)

Operation Temperature 0 to 70°C (32 to 158°F)

Operation Humidity 5 to 95% RH

Storage Temperature -20 to 85°C (-4 to 185°F)

PCB Dimension 106x 68 mm

Standard 121 mm
Accessory: Low Profile 80 mm

Bracket Space 1

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