Digitus DA-70220 Service Manual

High-Speed USB Hub

User’s Manual

Introduction:

Thank you for purchasing our USB 2.0 Hub. This easy plug and play external device is a full featured Universal Serial Bus Hub. It allows your computer to connect to USB interfaces joysticks, modems, digital speakers, printers, digital cameras, monitors, and many other USB devices.

Features:

1. Compliant with both USB (Universal Serial Bus) Specification 2.0 (Data Rate 1.5/ 12/ 480 Mbps) and Revision 1.1 specification.

2. Includes 1 upstream and several downstream USB ports (depends on model).

3. Plug and play.

4. Over-current detection and protection.

5. Connects up to 127 USB devices.

6. Support for following OS: Windows 7, Vista, XP, 2000, 98SE and MacOS 10.x or higher

System requirements:

1. Pentium 300MHz or similar, with at least 64MB RAM or better system

2. Available USB-port at your system

Specification:

Ports

Compliance CE emissions and FCC regulations for home/office use

Power

One upstream port and several downstream ports, depending on the model.

Self Power: 5V Adapter: Input: 100~240v 50Hz-60Hz Output: 5V 2A (4-port), 5V 4A (7-, 10-port)

Hardware Installation

1. Turn on your PC and boot fully.

2. Plug the Mini-type connector into the upstream port

3. Plug the A-type connector into a computer or USB hub downstream port

4. Your OS will install the Hub automatically or follow the instructions of your OS.

5. After fully installation you can connect USB devices or hubs to the hub’s downstream ports.

6. Plug the included AC power adapter into the power jack at the rear of the USB hub and an electrical outlet. (Optional, if self powered is not sufficient.)

Important Note:

The Hub must be connected to a USB 2.0-compliant host in order to function in high-speed mode (480Mbps data rate). If the Hub is connected to a USB 1.1-compliant host, it will operate only in low-speed or full-speed mode (1.5Mbps/12Mbps).

USB Hub

Safety Instructions

Always read the safety instructions carefully Keep this user’s manual for future reference Keep this equipment away from humidity. If any of the following situation arises, get the equipment checked by a service technician:

• The equipment has been exposed to moisture

• The equipment has been dropped and damaged

• The equipment has obvious sign of breakage

• The equipment has not working well or you cannot get it work according to this user’s manual.

Troubleshooting

Q1: Can I connect or disconnect devices while the computer is powered?

A1: Yes, you can connect or disconnect any USB cable or devices, because USB is supporting

Plug & Play and Hot-Plug

Q2: Can I use my old USB 1.1 devices with the USB2.0 hub?

A2: Yes, you can. USB 2.0 is downward compatible to USB 1.1, but please note, you can use

only Low-and Full speed (1.5 / 12Mbps) with these units.

Q3: Can I use USB 1.1 cable to connect the hub and devices?

A3: Yes, you can, but it may cause connection problems by connecting USB 2.0 high speed

peripherals. Therefore it is recommended to use only certified USB 2.0 cables.

Q4: After successful installation of the hub and connecting external USB devices, some of the devices

don´t seem to work. – What should I do?

A4.1:

Please check all connections and try again, when you are sure the connections are correct.

A4.2: If you did not connect your power supply to the hub, connect and try again. Make sure it

works properly.

A4.3: If you have an external power adapter that comes with your external USB device, connect

the power adaptor to the device and power on the device. Check also the correct driver installation of your device in your operating system.

On any further problems please contact the technical support under www.digitus.info

Trademarks: All the companies, brand names, and product names referred to this manual are the trademarks or registered trademarks belonging to their respective companies.