UNIVERSAL SERIAL BUS HUB
Contents
1. UNIVERSAL SERIAL BUS HUB Please read this manual thoroughly and follow the instruction procedures to prevent any damage to the USB HUB and or the connecting devices Package Content One USB Hub One USB Cable 6 feet One Power Adapter DC 5V 2 5A Overview The USB Hub provides the electronic interface between USB devices and the host lt allows up to three USB devices or Hubs to connect to an upstream USB Hub or Host port USB HUB is a complete USB 1 1 specification compatible device USB HUB offers a real plug amp play environment to the PC world Features USB 1 1 specification compatibility Plug and play with USB devices Bus fault detection and recovery All Downstream Ports support full speed and low speed operations Supports Self Powered mode and Bus Powered mode indicate by power LED UNIVERSAL SERIAL BUS HUB Low voltage drop Self powered mode Max 500mA indicated by Red power LED 2 Bus powered mode I 40mV 500mA 4mV 50mA indicated by Green power LED Individual power switches each port Over current protection with current limit threshold 500mA Min 750mA Typ 1250mA Max 2 Turn power off in status of over current or thermal shutdown save power consumption 3 Soft start for slow turn on feature prevents high inrush currents when initially powering capacitive loads Reset by Upstream attachment or programmable reconfigure Downstream port LEDs indicating Power and Active on off Self powered mode2. Shutdown system power no need to disconnect the power adapter power consumption only 3mA for Red power LED Supports suspend MODE UNIVERSAL SERIAL BUS HUB Aspect Bus Power Green LED Self Power Red LED Per Port Active LED Power Jack Root Port UNIVERSAL SERIAL BUS HUB Specifications Function Description Power Consumption 3mA per LED 40mA for HUB control circuit Connector Upstream I USB Series B Receptacle Downstream 4 USB Series A Receptacles LED Power I USB power Green LED Self power Red LED Port Status 4 Port Active Status Green LED Weight 100g Dimension LxWxH 135mm L x72mm W x23mm H Power Mode Setting There are two power modes for USB Hub one is the self powered mode and the other is Bus powered mode For self powered mode USB Hub provides all the downstream ports with each port DC 5V 500mA max power supply For the Bus powered mode USB Hub only provides all four downstream ports with DC 5V 100mA each port in total In self powered mode please make sure that the power adapter is well installed first and the plug of Power Adapter is inserted into the Power Jack of the USB Hub then connecting USB cable The powered mode is auto selected while you insert or remove the plug of the power adapter into or from the power jack of USB Hub UNIVERSAL SERIAL BUS HUB Power Adapter The Power Adapter attached with USB Hub is DC 5V 2 5A
3. min which is a minimum requirement for the device If user needs more power to supply the downstream port devices user can purchase a new power with the Spec of DC 5V 2 5A The mechanical of Power Adapter is listed in the follow figure 2 Imm 5V 5 5mm GND Power Plug UNIVERSAL SERIAL BUS HUB Diagram Telephone Joystick Electric idea UNIVERSAL SERIAL BUS HUB USB Hub or Host Port Full Speed Upstream Port Hub Repeater Hub Controller Port Port 2 Port 3 Port 4 USB Device USB Device 2 USB Device 3 USB Device 4 UNIVERSAL SERIAL BUS HUB INSTALLATION Install the Hardware A First of all please insert the plug of the DC 5V 2 5A power adapter into the power jack of USB Hub B Connect the series A connector please refer to the Figure of the USB cable into the downstream port of PC USB host controller or ROOT hub or one downstream port of the upper level parent hub C Connect the series B connector please refer to the Figure 2 of USB able into the upstream port of USB Hub the USB hub D Connect the series A connector of USB device such as USB mouse USB keyboard and so on into any one of the downstream of USB Hub UNIVERSAL SERIAL BUS HUB Figure I Figure 2 2DM I VCC 3DP 4GND Socket B Series A Connector Series B Connector C FC LAD gay
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