USB 2.0 to 4S Serial RS-232/422/485 ports, metal case with screw lock cable (FTDI chipset)

The EX-1344HMV USB 2.0 to serial RS-232/422/485 in a metal case, provides four high performance 16C550-type UART compatible RS-232, 422 or 485 serial ports. It is designed for PC, Notebooks or 19-inch rack to provide instant COM port expansion in a robust metal case through the USB 2.0 bus. With the easy installation you don’t need to open  the computer system. With the included USB cable EX-K1542V 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-1344HMV with the product EX-6099 (DIN-Rail-Kit) in a 19-inch rack. The EX-1344HMV has LED displays for operation functions and data communication. 

• Interface: RS-232 V.24, RS-422 and RS-485
• FIFO Buffer: 16C550 with 16Byte
• Data Bits: 7 and 8 / Stop Bits: 1, 1.5, 2 / Parity: none, even, odd, space, mark
• Signal RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
• Signal RS-422: 4-wire (TXD+/-, RXD+/-) Fullduplex
• Signal RS-485: 2-wire and 4-wire (Data+/-, Data +/-) Halfduplex/Fullduplex
• Power from the USB Bus (Bus Power)
• Supports TX and RX Activity LED Indicators