IEI Technology 

8-Port RS-232 PC/104 Module Equipped with two 40-pin to 4 standard DB-9 connector

Mfg Part Number:  PM-1028-8-R20  
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Price: $117.95
In Stock: 4
No Sales Tax except these states
, PO and Wire.
PC/104,8-port RS-232 PC/104 Module

  • 4/8 independent COM channels
  • Two 16C554-compatible quad UARTs
  • 128-byte TX and RX receive FIFOs
  • Programmable serial interface characteristics for each channel
  • Shared interrupt capability with ID register
  • PC/104 form factor with RoHS compliant
  • 16C554 UART Controller
  • Supports shared IRQ or independent IRQ mode
  • Jumper selectable interrupt level
  • COM port base I/O addressing setting
  • MAX. baud rate: 921.6kb/s
  • Interrupt vector addressing setting
  • Support O.S: Windows NT/2000/NT/XP, Linux and Windows CE


Power Consumption +5 V @ 0.6 A (max)
Dimensions 96 mm x 90 mm
Connectors One 4-port RS-232 connection cable (40-pin; 2.54 box header)
Two 4-port RS-232 connection cables ( 40-pin; 2.54 box header)
System Chipset TI 16C554A
General Specifcation Interrupt Level: 3, 4, 5, 7, 9, 10, 11, 12
Baud Rate: up to 921.6K bps (at 14.745Mhz clock input)
Serial ports: 16C550-compatible UARTs
Driver support Windows® NT, Windows® 2000, Windows® XP, Windows® CE and Linux driver support
Operating temperature 0ºC ~ 60ºC
Bus Interface PC/104

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