User's Manual

2
1.4 Warranty
This product is warranted for a period of one year after the date of purchase to be
free of manufacture defects and to operate properly. During the one year period
should a problem occur, please return the unit to the place of purchase, and we will
replace the defective unit.
1.5 Features
❒ This product confirms to USB Specification Revision 1.0 and HID Class
Definition Rev.1.0.
❒ This product is plug and play compatible.
❒ A maximum of 127 devices can be supported.
❒ A maximum 5 meter connection cable can be used between two hubs.
❒ This unit can be self-powered by using the AC Adapter supplied or Bus
powered.
❒ All downstream ports are supported with over current capacity.
❒ Both low speed and high speed devices are supported.
❒ LED displays indicate power on and connection
to each port.
② Up Stream Port USB B-type connector port for connect to the PC.
③ Power Socket For the AC Adapter jack connection.
Please note :
 Up Stream means to the PC and Down Stream means to the USB device.
 USB device means, a device that confirms to USB specifications.
2. Installation
2.1 Location
The best location for the placement of this unit is in the USB devices to be
connected and close enough to the PC to allow the supplied cable to reach the PC.
2.2 Power connection
❒ Locate the unit close enough to a electrical outlet so that the AC adapter cable
will reach the outlet without putting a strain on the cable causing the adapter
jack to be pulled out of the unit.
❒ It is recommended that the AC adapter be plugged into the electrical outlet
first, and then plugged into the unit .