Planet uh-400 User Manual

Introduction

The UH-400 is an Universal Serial Bus (USB) hub,
which is an USB cable concentrator and a bridge
between PC USB host controller and USB devices.
The USB hub has one upstream port and four
downstream ports. It supports both full speed
(12Mbps) and low speed (1.5Mbps) devices such as
mouse, keyboard, joystick and etc. The USB hub
provides both self-powered and bus-powered modes,
and also provides per-port over-current detection
and protection.

Package Contains

The hub package will contains:

F One high speed USB hub for 4 ports
F One USB cable
F One AC power adapter (output: 6V DC, 2.1A)
F This User’s Guide

System Requirements

1. Windows 95 OSR 2.1 above or Windows 98

2. Macintosh, iMac, G3, 300, 350, 400 with Mac

OS 8.1

3. Your PC must have USB host controllers inside

the H/W system.

Key Features

1. A real plug-and-play and hot-plugged device.

2. Supporting both self-powered and bus-powered

modes and locating the power mode
automatically.

3. Supporting up to 127 physical devices.

4. Per-port over-current detection and protection.

Sample Diagram

Specification

Function Description
Upstream port (Root port) 1
Downstream port 4

Self powered (Red LED) /
Bus powered ( Green LED)

1

LED

Downstream power
(Green LED)

4

Per-port Output Voltage DC+5V
Per-port Output Current 500mA
Weight 100g
Dimension (L*W*H, mm) 119 * 66 * 32

Power Mode

The 4 port USB hub has two power modes, self­powered mode and bus-powered mode.

Power Adapter

If more power is required to supply the downstream
port devices, you can use the DC 6V 2.1A adapter
to increase the motivation power of the USB hub.

Installation