??All Downstream Ports support full-speed and low-speed operations

??Reset by Upstream attachment or programmable reconfigure.

??Downstream port LEDs: Indicating Power and Active on-off.

??Self-powered mode: Shutdown system power no need to disconnect the power adaptor power consumption only 3mA for Red power LED.

??Supports Self-Powered mode and Bus-powered mode, indicate by power LED.

??Low voltage drop:

1.Self-powered mode: 300mV/2000mA, 76mV/500mA, 9mV/600mA (indicated by Red power LED)

2.Bus-powered mode: 140mV/500mA, 14mV/55mA (indicated by Green power LED)

Specification

Power Consumption

3 mA per LED

 

 

40 mA for HUB control circuit

Connector

Upstream

1 USB Series B Receptacle

 

Downstream

4 USB Series A Receptacle

LED

Power

1 Bus-power (Green LED)

 

 

1 Self-power (Red LED)

 

Port Status

4 Port Active Status (Green

 

 

LED)

Weight

 

100g

Dimension (L x W x H)

67mm(L)x125mm(W)x23mm(H)

Box Includes

1-DSB-H4 USB HUB

1-USB Cable

1-Power Adapter

1-User’s Manual

4

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D-Link DSB-H4 user manual Specification, Box Includes

DSB-H4 specifications

The D-Link DSB-H4 is a versatile and robust USB hub designed to cater to the growing demands of modern computing environments. This device offers numerous connectivity options for users needing to expand the number of USB ports available on their computers or laptops. Equipped with four USB 2.0 ports, the DSB-H4 allows users to connect multiple USB devices simultaneously, including printers, external hard drives, and other peripherals, enhancing productivity and convenience.

One of the standout features of the DSB-H4 is its plug-and-play functionality, which simplifies the setup process. Users can easily connect the hub to their system without needing to install any additional drivers, making it user-friendly for both novices and experienced technicians alike. This feature is particularly beneficial for users who require immediate access to additional USB ports without the hassle of complicated installation processes.

Additionally, the DSB-H4 is designed with compactness in mind, making it highly portable. Its lightweight design means that professionals on the go can easily tuck the hub into a laptop bag, ensuring connectivity options are always within reach during travel. Furthermore, the device features an external power adapter option, allowing for increased power supply to connected devices, which is particularly useful for high-powered peripherals.

In terms of quality and build, the DSB-H4 showcases a durable design that stands up to daily use. The ports are strategically positioned to minimize cable clutter and allow easy access to multiple devices. The sleek aesthetic of the hub complements various computing environments, whether at home or in an office setting.

On the technology front, the DSB-H4 adheres to the USB 2.0 standard, which ensures data transfer speeds of up to 480 Mbps. This allows for quick file transfers and efficient operation of connected devices, making it suitable for both casual users and professionals who require reliability in their connections. Moreover, the device is backward compatible with USB 1.1, ensuring functionality with older devices.

In conclusion, the D-Link DSB-H4 USB hub stands out for its combination of ease of use, portability, and robust performance. It effectively expands the connectivity options of any computer system, making it an essential accessory for anyone looking to enhance their digital workspace. Whether for home or office use, the DSB-H4 delivers the versatility that modern users demand.