Specifications:

4 RS-232C asynchronous ports
4 x 16550 UARTs
Supports: TxD, RxD, RTS, CTS, DTR,
DSR, DCD, GND
Interrupt select : 2, 3, 4, 5, 7
RS-232 modem control signals
I/O address: 100h to 300h
Baudrate: up to 115.2 Kbps

• Bus Interface: PC/104 standard
  compliant
  
• Connector:
  10-pin box header for RS-232 port X 4
  
• Power Requirements: +5V @ 250 mA
  
• Dimensions: 90 (L) x 96 (W) mm.
  
• Weight: 80 g
  
• Operating Temperature:
  -20 ~ +55° C