SIIG ID-SC0811-S1 8-Port Industrial USB to RS-232 Serial Adapter Hub Color: Black/grey Cable Length: 6 ft. Changer Type: USB to DB9 (RS-232) Specifications: Chipset: MosChip MCS7840 Interfaces/Ports: - 8, 8-Pin, RJ-45, RS-232, Serial, Output, Female - 1, 4-Pin, USB, Type B, Input, Female Communication speed: Serial port: Up to 921.6Kb/s USB: Up to 12Mb/s FIFO buffer: 512 bytes RJ45 to RS-232 serial cable: - RJ45, Male - RS-232, 9-Pin, Male - Length: 12 inches - Color: Black Operating temperature: 32 to 130 degrees F (0 to 55 degree C) Operating humidity: 5% to 95% RH Dimensions: 7.7 x 3.2 x 1.5 Package Contents: - 8-Port Industrial USB to RS-232 Serial Adapter Hub - USB cable - 8x RJ45 to RS-232 cable - Power adapter - Software CD