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IBT Technologies Inc.; 5405 Thimens; Quebec, Canada H4R 2H4; 1-866-590-4288; info@ibt.ca
I/O 4233A 2 ports PC-104 RS-232 Module
Product detail



RS-232 PC/104 embedded module combines small size, industrial grade construction and reliability specifications plus performs the functions most commonly need in embedded application.

Because PC/104 modules uses smart stacking bus design, they avoid the costs and bulk associated with backplanes or card cage. It work with PC/104 CPU boards that accept the PC/104 expansion interface, and comes with DB9 or DB25 connection cables are available as options to meet users' varied connection requirements.


  • Low RMA rate and high reliability with single chipset designed ASIC
  • Industrial grade design for stability and reliability
  • RS-232 industrial host controller series are certified by CE, FCC approval
  • Support Microsoft Windows, Linux, and DOS


Type PC/104 Embedded Serial card
Mode of Operation Handshaking
Bus Transceiver RS-232 Full-Duplex
Driver per Line 1 Driver
Receiver per Line 1 Receiver
Host Controller SUN1699 UART (16C750 compatible)
Bus Interface PC/104 16-bit ISA
PCB Connector 10-pin IDC male
Number of Port 2 x RS-232
IRQ 3 / 4 / 5 / 7 / 9 / 10 / 11 / 12 / 15
I/O Address 3F8, 2F8, 3E8, 2E8, 260, 268, 250, 258, 240, 248, 248, 230, 238
FIFO 64 byte hardware FIFO
Baud Rate Up to 921.6 Kbps
Data Bits 4, 5, 6, 7, 8
Stop Bits 1, 1.5, 2
Parity None, Odd, Even, Space, Mark
Flow Control None, Xon/Xoff, RTS/CTS
Data Signal Tx, Rx, RTS, CTS, DTR, DSR, DCD, RI, GND
OS Support
Microsoft Win 9x/ME/NT, Win 2K/XP/2003, Win CE
Linux 2.0.x, 2.2.x, 2.4.x
Operating Environment
Operating Temperature 0 ~ 57 °C
Humidity 5 ~ 95% RH
Storage Temperature -20 ~ 85 °C
Regulatory Approvals
Hardware CE, FCC (Class B)

Package list

  • PC/104 RS-232 Embedded Board
  • Cable 2 x 10-pin IDC to DB9M or DB25M
  • Software & driver CD
  • User manual
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