 The D-Link DSB-H4 is a 4-port Universal Serial Bus USB
hub that allows a user to connect up to four USB peripherals or devices to their USB ready
PC or iMac. It provides an out of the box industry standard Bus. The DSB-H4 is targeted at
PC and iMac users that are expanding the number of USB ports on their system.
Seamless
Connections
The DSB-H4 is designed to provide quick and easy access to
the four type "A" downstream ports for connecting peripherals with USB support,
other USB hubs and devices. A single type "B" upstream port is provided for
connecting to the host computer, or another USB hub. Configured directly by the operating
system, the DSB-H4 operates seamlessly with both Microsoft's OpenHCI and Intel's
UniversalHCI.
Low and High Speeds
Supported with Data Buffering
As a standard USB hub it buffers USB data from any
attached peripherals or devices in compliance with USB Specification version 1.1 to
provide an invisible extension of the USB bus. Supporting both low speed 1.5 Mbps devices
and high speed 12 Mbps devices, each port creates a bridge between the peripheral and host
computer.
Flexible Power,
Flexible Solution
Power for the DSB-H4 can be provided directly from the USB
bus for connection of up to four low-powered USB devices. When using the included AC
adapter in self-powered mode, the DSB-H4 can support up to four high-powered USB devices
or up to four downstream bus-powered USB hubs.
Feature Rich and
Easy to Use
Diagnostic LED's are mounted on the top of the device to
provide the user with power state and port status. The DSB-H4 is packaged with all
necessary manuals, a 6-foot USB 'A' to 'B' cable, and a AC power supply to ensure that the
user is able to easily and quickly install and use the device.
Standards
- USB Specification version 1.1
- OHCI
- UHIC
Supplied Current
- Self Powered Mode: 100mA per port
- Bus-Powered Mode: 500mA per port
Ports
- One upstream (USB Type B receptacle)
- Four downstream (USB Type A receptacles)
Size
- 10.2 cm x 7.4 cm x 2.6 cm
Wiring Topology
Connectivity Rules
- Five cascaded hubs maximum
- 5m maximum between each hub
- Up to 127 devices
Diagnostic LED's
- Bus/Self Powered
- Port Status (one per port)
Operating Temperature
Storage Temperature
Humidity
- 5% to 95%, non-condensing
Power Requirements
- Bus Powered - 2.5 W, 0.5 A @ 5 VDC
- Self Powered -12.6W, 2.1 A @ 6 VDC
Compliances
Safety
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