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4x RS232/RS422/RS485 PCI Bus Card, RJ45 Jacks US$104.00

4x RS232/RS422/RS485 PCI Bus Card, RJ45 Jacks

The Multi-4J-PCI PCI Bus Card described on this page adds 4x RS232 or RS422/RS485 Serial Interfaces to your PC. This 4x Serial PCI card supports communication speeds up to 921.6kbps. The card ships with a full height mounting bracket that holds 4x RJ45 Jacks to bring out the 4x serial ports. Four RJ45 to DB9 Male Cables are included.

The card is available with ports that comply to the RS232, RS422 or RS485 physical interface standards. You can select your desired interface standard from the drop down selection box at the bottom of this page.

4x PCI Card Highlights

  • PCI and PCI-X Bus support
  • 4x serial ports via RJ45 Jacks
  • Integrated 16 Byte FIFO UART Buffer
  • Speeds up to 921.6kbps
  • 15kV Surge Protector
Interface 4x RS232 or 4x RS422/RS485 via RJ45 Jacks. RJ45 to DB9 Male cables included.
Bus Interface PCI Spec V2.3 (Compatible with 3.3/5V PCI and PCI-X)
Speed 300bps to 921.6kbps
Signals RS232:TX, RX, DTR, DSR, RTS, CTS, DCD, RI, GND
RS422: TX+, RX-, TX+, TX-
RS485: TRX+, TRX-
Data Bits 5, 6, 7, 8
Stop Bits 1, 1.5, 2
Parity None, Even, Odd
Flow Control RTS/CTS, XON/XOFF
Protection 15kV Surge Protector
Approvals MIC, CE, FCC
Operating Temp 0 ~ 50 C
Storage Temp -20~80 C
Humidity 5 ~ 95% Non-Condensing
Device Driver
O/S Windows: 98, ME, XP,2003, Vista, 2008, Win7 32-/64-bit
SCO Unix, Linux

Multi-PCI Card Downloads:

Leadtime: 4 weeks

Interface Options

The following versions of this card are available:
  • Multi-4JP-RS232: 4x RS232 ports
  • Multi-4JP-Combo: 4x RS422 or RS485 selectable via board jumpers

Please select the desired card interface version from the drop-down selection box below. The price adder for the selected option is shown in brackets next to it.

Available Options:

Optional Recommended Products for this Item
Ethernet Cable, CAT5E 350MHz Unshielded, 7ft.+ US$3.60
DB9 Male to RJ45 Jack Modular Adapter+ US$2.50
DB9 Female to RJ45 Modular Adapter+ US$2.50

This product was added to our catalog on Friday 18 March, 2011.


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