Planet uh-400 User manual
1
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:
FOne high speed USB hub for 4 ports
FOne USB cable
FOne AC power adapter (output: 6V DC, 2.1A)
FThis User’s Guide
2
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.
3
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
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, self-
powered 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
FIG-1
5
Step 1. Please insert the plug of DC 6V 2.1A power
adapter into the power jack of the USB hub.
Step 2. Connect the series-A connector of the USB
cable into the downstream port of PC USB
host connector or one downstream port of
the upper level USB hub.
Step 3. Connect the series-B connector of the USB
cable into the upstream port of the USB hub.
Step 4. Connect the series-A connector of USB
devices into any one of the downstream port
of the USB hub.
Note: Please install the USB hub following the
procedures step by step.
Install USB Hub Device driver for
Windows 98
After plugging the USB cable, Windows 98 will
automatically detect the new hardware of the USB
hub. These procedures require Windows 98 setup
CD-ROM, and you will be prompted while
inserting your CD-ROM.
6
In response to the message of Add New Hardware
Wizard (Figure 3), you can insert the Windows 98
setup CD-ROM into the drive (Figure 4) and follow
the system prompts step by step (Figure 5 & 6).
Your USB hub has been installed correctly and is
now ready for use.
Figure 2.
7
Figure 3
Figure 4
8
Figure 5
Figure 6
EM-UH400
ISO9002
PLANET Technology Corp.
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