PCI Express 8-Port RS232 Serial Board with Oxford Chip

PCIe to RS232 Add on Card with Octopus cable

The PCI Express Add on Card supports RS232 serial connections through an octopus cable enabling 8 additional COM ports to your system through the PCI Bus. The PCI card itself uses a 62-pin cable connector to enable the 8 serial ports.

  • Uses 62-pin connector to secure the octopus cable to the PCI card.
  • Supports 8 separate RS232 Serial connections.
  • Uses existing computer PCI Bus slot
  • Works with Windows 10, 8, 8.1, 7, Vista, XP, 2003, 2000, and Linux


In stock

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Units Price
1 - 4 $196.95
5 - 11 $191.04
12 - 24 $187.10
25 - 49 $183.16
50+ $177.26

Model No. PCIe-8RS2

Product Documentation

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8-Port RS232 Serial Card

The PCIe-8RS2 PCI Express 8-port serial I/O card is a plug & play high-speed serial I/O expansion card for PCI Express bus.

The PCIe 8-port serial I/O card design utilizes the Exar XR17V358 PCI Express to UART chip. The PCIe add on card supports high-speed data rate up to 921.6 Kbps. Each serial port is compatible with 16550 UART, with enhanced feature of 256-byte TX and RX FIFO buffer for higher performance.

PCIe Serial I/O Card Features

  • PCI Express 2.0 x 1 compliant
  • PCIe 1 Lane compliant
  • 16C550 compatibility
  • 256 byte receive FIFO buffer
  • 256 byte transmit FIFO buffer for high speed data throughput
  • Automatic RTS/CTS or DTR/DSR hardware flow control with programmable hysteresis
  • Automatic Xon/Xoff software flow control
  • Drivers provided for Windows and Linux O.S
  • Wide ambient temperature operation 0°C to 60°C (32°F to 140°F)
  • CE, FCC approval
  • Supports eight high speed RS-232 serial ports with data transfer rate up to 912.6 Kbps
  • Provides 15KV ESD protection for all serial signals
  • Provides eight DB-9 male connectors
  • RS-232 data signals: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS
  • Includes one octopus cable with one DB-62 male connector to eight DB-9 male connectors cable. Cable length: 1 meter (OCT-8-DB9)

PCI Express Card Specifications

  • PCI Express Single Lane (x1)
  • (1) EXAR XR17V358 Chipset
  • RS232 Interface
  • Plug-and-Play Supported
  • IRQ and I/O Address Assigned by System BIOS
  • Data Bits: 5, 6, 7, 8
  • Parity: None, Odd, Even, Mark , Space
  • Stop Bits: 1, 1.5 , 2
  • Operating Temperature: 0°C to 60°C
  • Storage Temperature: -40°C to 85°C
  • Humidity: 0 to 80% RH. Non-condensing
  • Safety Approvals: CE, FCC

Package Contents

  • Box 1 PCIe card and Driver disk
  • Box 2 3ft. Octopus Cable with RS232 DB9 connectors
Additional Information

Additional Information



Product Type

Add-on Cards > PCI Card > Serial





Screw Lock Compatible


Serial Attributes
Serial Standards


Serial Ports


OS Support

Win-2000, Linux, Win 10, Win 7, Win 8, Win Vista, Win XP



Other Data

PCIe 1x


1.731 lbs


12.937 × 6.312 × 3.500 in

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