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PC/104 NE2000 Ethernet Module

Operating Temperature to +70°C

CM312 NE2000 Ethernet Module
Rugged IDAN configurations available

Key Features

  • PC/104 stackable bus structure
  • Compatible with Industry Standard 16C550
  • Up to 115.2K baud RS-232 operation
  • Up to 1.5M baud RS-422 operation
  • 16 byte transmit FIFO/16byte receive FIFO with error flags
  • Independent transmit and receive control
  • Standard modem interface
  • Jumper selectable interrupt line, base address, RS232/RS422-485 mode per port
  • Jumper selectable enable/disable per port
  • Includes 42 different selectable I/O base addresses
  • Internal Common Registers of CM310HR added to configure and control the board operation
  • Low power-consumption
  • NE2000 Ethernet Controller
    • LG Semicon 82C911 controller
    • Integrated high-speed RAM
  • Jumperless Ethernet Configuration
    • Configuration stored in EEPROM
    • Includes DOS configuration program
    • Supports ISA PnP
  • 16C554D Serial Port
    • 16C550 compatible


  • Four jumper-configurable RS-232/422/485 serial ports
    • 16550 compatible UARTs for high-speed
    • Termination resistors for RS-422/485
  • 10Base-T Ethernet: RJ-45


  • DOS diagnostic / configuration programs and drivers
  • Ethernet support available for most modern operating systems using standard NE2000 driver

Physical Attributes

  • Dimensions
    • Length (L): 3.775 inches (95.89 mm)
    • Width (W): 3.550 inches (90.17 mm)
    • Stand-off Height: 0.600 inches (15.24 mm)
  • Weight: Approximately 0.22 lbs. (0.10 Kg)
  • Standard Operating Temperature, 90% humidity non-condensing: 0 to +70°C
  • Storage Temperature: -40 to +85°C
  • Power Consumption: 3.0 W at 5 VDC typical

Recommended Accessories

Documentation and Downloads

Ordering Information

Part Number Description Value

  PC/104 Quad Serial Port with NE2000 Ethernet Module



RTD Embedded Technologies, Inc.
Designed and Made in the USA
[email protected]   |   +1-814-234-8087