USB 2.0 to 1 x RS-232/TTL(CMOS), Surge Protection & Optical Isolation

The EX-1331TTL-VIS USB 2.0 to serial RS-232 and TTL(CMOS) in a plastic case provides one high performance 16C550-type UART compatible RS-232 and TTL (CMOS) serial port with Surge Protection & Optical Isolation. It is designed for PC or Notebooks to provide instant COM port expansion in a compact plastic case through the USB 2.0 bus.  With the easy installation you don’t need to open the computer system and install the EX-1331TTL-VIS when the system run. With the USB cable EX-K1552V (2 meter) A-male to B-male you can fix the connector with screw. The cable can’t be disconnect any more by him self. Optional you can install the EX-1331TTL-VIS with the product EX-6099 (DIN-Rail-Kit) in a 19 inch Rack. 

• Interface: RS-232 V.24 and TTL(CMOS)
• 15KV ESD Surge Protection und 2.5KV Optical Isolation
• FIFO Buffer: 16C550 with 16Byte
• I/O addresses and Interrupt: Set from the operating system
• Data Bits: 7, 8 / Stop Bits: 1, 1.5, 2 / Parity: none, even, odd, space, mark
• Signal RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
• Electrical Characteristics:
  • TTL/CMOS Input Low < 0.8V
  • High > 2.0V
  • TTL/CMOS Output Low < 0.55V
  • High > 2.4V
• Power from the USB Bus (Bus Power)