Congratulations on your purchase of the DU-H4SMK Multifunction USB Hub. The USB Hub providing one high-speed RS-232 Serial, one PS/2 Keyboard, one PS/2 Mouse ports and 4 Downstream USB ports. The USB Hub features easy connectivity for traditional devices includes modem, keyboard, mouse and others USB devices. Technology Overview USB stands for Universal Serial Bus. It is a standard that has been adopted by leading manufacturers within the computer industry to define a new type of peripheral connection scheme. It is designed to replace older parallel and serial ports, cables, and connectors with something faster and easier to use. USB is: ?? Easier -- Windows 98, Me and 2000 will
automatically recognize newly installed devices.
?? Quicker -- You wonБ─≥t have to reboot when
?? Faster -- Top USB data speed is around 100
times faster than a serial connection.
?? Greater Expandability -- Using USB hubs
you can connect up to 127 devices to your computer.
1 ?? Hot Swappable -- They just plug and go! About the DU-H4SMK Multifunction USB Hub The DU-H4SMK Multifunction USB Hub allows user to connect up to four USB peripherals or devices to their USB ready PC. The DU-H4SMK Multifunction USB Hub supported for legacy devices such as PS/2 keyboards, PS/2 mouse, and modems. The DU-H4SMK Multifunction USB Hub is designed to provide quick and easy access to the four type Б─≤AБ─≥ downstream ports for connecting peripherals with USB support, USB hubs and other devices. A single type Б─°BБ─² upstream port is provided for connecting to the host computer, or another USB hub. Product Features ?? USB 1.1 specification compatibility ?? Plug-and-Play ?? Supports both OHCI and UHCI. ?? Supports Self-power mode. ?? Supports 1 upstream and four downstream
?? 5 LED indicators for Power and Port status ?? Connects up to 127 USB devices with
?? Over-current and high-inrush current
The DU-H4SMK Multifunction USB Hub was designed to be simple and easy to install. Aspect Description
3 Hardware Installation 1.
Plug the included adapter into the rear of the DU-H4SMK Multifunction USB Hub and an available electrical outlet.
Plug the B-type connector into the Б─°Upstream PortБ─².
Plug the A -type connector into a computer or USB Hub downstream port.
Connect USB devices to the Hub: Down-stream 1 - Downstream 4.
Connect legacy devices to the PS/2 keyboard, PS/2 mouse or RS-232 serial
port. Software Installation After installing the DU-H4SMK Multifunction USB Hub, the Windows will find a new device and requests a driver program. Please insert the driver diskette enclosed and to follow up the
screen instruction to complet the installing.
LED Indicators The DU-H4SMK Multifunction USB Hub is equipped with 5 LED indicators: Power Indicator:
This indicator lights green when the USB Hub is receiving power, otherwise, it is off. Port status LED:
Per port has one status LED. When the LED lights on, means the downstream port is working successfully. Otherwise, the LED light is off. USB Connector Pin Assignment
5 SPECIFICATIONS Standards:
USB Specification V.1.1 compatibly
Low: 1.5Mbps High: 12Mbps
Power x 1, Port status x 4
Series-B Receptacle x 1
Downstream port: Series-A Receptacle x 4 Legacy ports:
PS/2 keyboard port x 1 PS/2 mouse port x 1 DB-9 RS-232 serial port x 1
Per port DC +5V
Per port 500mA
118 x 67 x 32 mm
Storage: -250C ~ 700C
Operation: 00C ~ 500C
Storage: 10% ~ 90% Operation: 10% ~70% non-condensing
Power Consumption: 12 Watts (maximum)