Specifications:

• Baud rates: up to 115200 bps, or 460800 bps (-H versions)
• Chipset: 16C550 or 16C650 compatible UARTs with 16-byte FIFO
• Supports RS232 interface: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
• Complete RS232 modem control signals except RI
• RS422, RS485: RTS used for data direction control
• Selectable I/O addresses: 248h, 258h, 268h, 278h, 2C8h, 2D8h, 2E8h,
  2F8h, 348h, 358h, 368h, 378h, 3C8h, 3D8h, 3E8h, 3F8h per port
• Selectable interrupts: IRQ 3, 4, 5, 7, 9, 10, 11, 12 or 15 per port
• Can use a single shared IRQ for all four ports
• Surge protection: ±8 kV according to IEC1000-4-2
• Supported OS: DOS, Windows, and other operating systems
• Operating temperature: 0 - 60°C
• Storage temperature: -20 - 60°C
• Relative humidity: 0 - 90%, non-condensing
• Dimensions: 95 x 90 x 18 mm
• Connectors: PC/104 Stackthrough (S-versions)