StarTech ICUSB23216F 16 Port Rackmount FTDI USB to Serial COM Adapter Hub - RS232 Multiplexer Changer Type: USB to DB9 (RS-232) Specifications: Ports: 16 Interface: serial Bus Type: USB 2.0 Port Style: External Hub Chipset ID: FTDI - FT232RL Maximum Data Transfer Rate: 480 Mbps Data Bits: 7, 8 Parity: Odd, Even, Mark, Space, None Stop Bits: 1, 2 Enclosure Type: Steel Product Length: 16.9 in [430 mm] Product Width: 4.7 in [120 mm] Product Height: 1.8 in [45 mm] Product Weight: 53.7 oz [1520 g] LED Indicators: 16 - Data Receive,16 - Data Transmit Input Voltage: 110 ~ 240 AC Input Current: 0.8A Output Voltage: 12 DC Output Current: 2.5A Center Tip Polarity Positive Plug Type: N Weight: 5.45 Package Contents: 1 - 16 port USB to RS232 Hub 2 - DIN mount brackets 2 - Rack Mount Ears 1 - USB Cable 1 - Universal Power Adapter (NA/UK/EU) 1 - Driver CD 1 - Instruction Manual