P5288U - Rayon

UPCI 8-port 8*RS232/485 5V only Card

This PC Add-On Card is a communication card with 8-Port 5V Single Mixed, which is ideal for connecting to RS232, RS485, and IEEE Serial devices. It supports 8-Port Serial Communication and provides reliable data transmission. It is easy to install and provides high performance with low power consumption. This card is perfect for industrial automation, medical equipment, and other applications..


  • 8x RS232/RS485 selectable====> suitable for local RS232 connection and remote RS485 device connection. One RS485 serial port to one RS485 device is easy for software in PC. One RS485 serial port to multiple RS485 device need dedicated protocol in software
  • 1*sharable IRQ mapping and 64Byte and 8Byte I/O assigned by PCI BIOS
  • 5V 33MHz PCI slot
  • includes connector cable DB62m to 8*DB9m (8*DB25m P5388U-25 on request)
  • max 2 cards/system
  • single 5V power only
  • supports DOS/Win95/98/ME/NT/Win2k/XP/Linux/SCO
  • Rayon


  • Width: 15.24 mm
  • Height: 10.67 mm
  • Form factor: half
  • Manufacturer: Rayon
  • Country of Origin: Taiwan R.O.C.
  • Customs code: 8473 3020 000

Data Sheets




  • RS4232-8
    8*RS232/RS422/RS485 (mixed use) isolated converter box
  • R801
    Cable DB62m to 8*DB25m 1m
  • R802
    Cable DB62m to 8*DB25f 1m
  • R803
    Cable DB62m to DB62M 1m
  • R804
    Cable DB62m to 8*DB9m 1,20m
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