StarTech ICUSB2322I 2 Port Industrial Wall Mountable USB to Serial Adapter Hub with DIN Rail Clips Changer Type: USB to Serial Specifications: Ports: 2 Bus Type: USB 2.0 Port Style: External Hub Chipset ID: FTDI - FT232RL External Ports: 1 - USB B (4 pin) Female 2 - DB-9 (9 pin; D-Sub) Male Max Baud Rate: 921.6 Kbps Maximum Data Transfer Rate: 921.6Kbps Serial Protocol: RS-232 Data Bits: 7, 8 FIFO: 4096 byte Transmit and Receive Parity: Odd, Even, Mark, Space, None Stop Bits: 1, 2 Enclosure Type: Steel Color: Black LED Indicators: 2 - Each, Tx/Rx Activity indicators Power Adapter Included: USB Powered Operating Temperature: 0 Degrees C to 55 Degrees C (32 Degrees F to 131 Degrees F) Storage Temperature: -20 Degrees C to 85 Degrees C (-4 Degrees F to 185 Degrees F) Humidity: 5~95% RH Package Contents: 1 - USB to RS-232 Serial Adapter 1 - DIN rail kit 1 - 6 ft USB A to B cable 1 - Driver CD 1 - Instruction Manual