0° to +70°C Operation

10Base-2 10Base-T			COM1 COM2
			COM3 COM4
		ISA (PC/104)
	CM312ER Quad Serial Port with NE2000 Ethernet
	Rugged IDAN® Configuration

• 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

Features:

• NE2000 Ethernet Controller
  • LG Semicon 82C911 controller
  • Integrated high-speed RAM
• Multiple Physical Layers
  • 10Base-T
  • 10Base-2
• Jumperless Ethernet Configuration
  • Configuration stored in EEPROM
  • Includes DOS configuration program
  • Supports ISA PnP
• 16C554D Serial Port
  • 16C550 compatible 

I/O:

• Four jumper-configurable RS-232/422/485 serial ports
  • 16550 compatible UARTs for high-speed
  • Termination resistors for RS-422/485
• Ethernet
  • 10Base-T: RJ45
  • 10Base-2: BNC

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

• Size: 90mm L x 96mm W x 15mm H (3.6"L x 3.8"W x 0.6"H)
• Weight: Approximately 0.10 Kg (0.22 lbs.)
• Operating Temperature: 0° to +70°C: 90% humidity non-condensing
• Storage Temperature: -40° to +85 °C
• Power requirements   3.0 W @ 5 VDC typical

Recommended Accessories:

• Cable Kit XK-CM30

• TCP/IP Sockets

Ordering Information