Unleash the Power
of Hi-Speed USB
Up to 40 Times Faster
than USB 1.1
Works with PC & Mac
Connect More Devices to
Your Computer
Backwards Compatible
with USB 1.1
The D-Link DUB-H4 2.0 is a Hi-Speed
Universal Serial Bus 2.0 4-port hub with
backward compatibility to USB 1.0 and 1.1.
It provides an out of the box industry
standard that allows connection of up to four
USB peripherals or devices to your USB
ready PC or Mac. The D-Link DUB-H4 is
targeted at PC and Mac users that are
expanding the number of USB ports on their
The D-Link DUB-H4 2.0 is designed to
provide quick and easy access to the four
type "A" downstream ports for connecting
USB peripherals, devices or other USB hubs.
A single type "B" upstream port connects the
DUB-H4 to the host computer, or another
USB hub enabling up to 127 devices to be
connected by cascading multiple hubs.
Configured directly by the operating system,
the D-Link DUB-H4 2.0 operates seamlessly
with both Microsoft Windows and Apple
Macintosh Operating Systems.
As a standard USB hub, the D-Link DUBH4 buffers USB data from any attached
peripheral in compliance with USB
specifications to provide an invisible
extension of the USB bus. Supporting both
low speed (1.5 Mbps and 12Mbps 2) and Hispeed (480 Mbps 1) devices, each port creates
a bridge between the peripheral and host
Diagnostic LED's located on the top of the
device provide power state (self-power) and
port status on each port. The DUB-H4 2.0 is
packaged with all necessary documentation,
a 6-foot hi-speed USB 2.0 'A' to 'B' cable
and an AC power supply to ensure that the
user is able to easily and quickly install and
use the device.
1: Maximum transfer rate based on USB 2.0 specification. Actual data throughput will vary.
2: Maximum transfer rate based on USB 1.1 specification. Actual data throughput will vary.
Wiring Topology
• USB Specification Version 2.0
• USB Specification Version 1.1
• USB Specification Version 1.0
• OHCI (Open Host Controller
• EHCI (Enhanced Host Controller
Tiered Star
Compatible Operating
USB 2.0 Speed
• Mac OS X with USB 2.0 Support
• Microsoft Windows XP, ME, 2000,
98 with USB 2.0 Support
USB 1.x Speed
• Mac OS 8.6 or above with USB 1.x
Support and USB Card Support 1.4.1
• Microsoft Windows XP, Me, 2000,
98 with USB 1.x Support
Supplied Current
Up to 127 devices by cascading
multiple hubs
Diagnostic LED's
• Self Powered (Red on self-power)
• Port Status (Green, one per port)
Operating Temperature
0°C to 40°C
Storage Temperature
0 to 95%, non-condensing
5% to 95%, non-condensing
Power Requirements
Self Powered -12.6W, 2.1 A @ 5
Self-Powered Mode: 500mA per port VDC
• One upstream USB Type “B”
• Four downstream USB Type “A”
99.6 mm x 59.5 mm x 25.7 mm
Power supply
Output 5V 2.5A
1 Year
D-Link Systems, Inc. 53 Discovery Drive Irvine CA 92618 www.dlink.com
©Copyright D-Link Systems, Inc. 2002. All rights reserved. D-Link® is a registered trademark of D-Link Systems, Inc.
Other trademarks or registered trademarks are the property of their respective manufacturers or owners. Price and
specifications are subject to changes without notice. See inside package for warranty details.
* 24/7 Tech Support is available only in USA.
1: Maximum transfer rate based on USB 2.0 specification.
Actual data throughput will vary.
The DUB-H4 performes up to 40 times faster
than USB 1.1 by utilizing the 480Mbps1
throughput speed of Hi-Speed USB 2.0.