ConnectGear USBH-004 User Manual

UNIVERSAL

SERIAL BUS HUB

User Manual

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

s One USB Hub

s One USB Cable (6 feet)

s One Power Adapter DC 5V (2.5A)

1

Overview

UNIVERSAL SERIAL BUS HUB

The USB Hub provides the electronic interface between USB

devices and the host. It 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 & play environment to the PC world.

Features

s USB 1.1 specification compatibility

s Plug and play with USB devices

s Bus fault detection and recovery.

s All Downstream Ports support full-speed and low-speed

operations

s Supports Self-Powered mode and Bus-Powered mode, indicate

by power LED

2

UNIVERSAL SERIAL BUS HUB

l Low voltage drop:

1. Self-powered mode:

Max 500mA (indicated by Red power LED)

2. Bus-powered mode:

140mV/500mA, 14mV/50mA (indicated by Green

power LED)

l Individual power switches (each port):

1. 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

l Reset by Upstream attachment or programmable reconfigure

l Downstream port LEDs: indicating Power and Active on/off

l Self-powered mode: Shutdown system power no need to

disconnect the power adapter, power consumption only

3mA for Red power LED

l Supports suspend MODE