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The US221A is a 2-port USB 2.0 Peripheral Switch that allows up to 2 computers to share the use of a single USB peripheral device (such as a printer, scanner, mass storage drive, etc.) on a one-at-a-time basis.The peripheral focus can be given to a computer manually by using pushbuttons on the switch, using the software-based configuration utility, or by the Auto Switch function.Compatible with both Windows and Mac, and with multifunction printer support, the US221A is the ideal way to share the latest USB 2.0 peripherals in a multimedia office environment.

ATEN SN3000 series Secure Device Servers are external IP-based network devices that securely connect legacy serial RS-232 devices to an Ethernet network to be accessed remotely from a computer located anywhere, allowing you to expand the number of serial ports for any host computer over a network.The SN3000 series is especially suited for industrial process control applications, given the abundant use of the Supervisory Control and Data Acquisition (SCADA) systems across many industries for collecting data from PLCs, meters, and sensors via serial ports. The SN3000 series bidirectionally translates data between serial and Ethernet formats, and facilitates access to the data from all data collection instruments from local and remote sites through an Ethernet network.The SN3000 series has a number of useful operation modes. It supports secure TCP server / client, secure serial tunneling server / client, secure Real COM, and console management modes for security-critical applications, such as telecom, access control, and remote site management.

Extend your workspace with Plugable's USB 3.0 HDMI/DVI/VGA Video Graphics AdapterFeaturing the DisplayLink DL-3100 graphics chipset, the Plugable UGA-3000 allows you to add additional HDMI, DVI, or VGA monitors to virtually any Windows laptop, desktop, or tablet (one adapter required per monitor, up to six on Windows PCs). Multitask with a dedicated monitor for each document or application.Multiple DisplaysConnect multiple USB 3.0 display adapters to your computer to expand your screen space by up to six additional 2048x1152 displays (1920x1080 with analog VGA).Boost ProductivityIf you're doing information work; looking at one document while editing another, researching, or generally working on several things at once, having multiple displays is indispensable.Compact and PortableEasily stows in any backpack or laptop bag, taking up roughly the same space as a pack of playing cards, no external power adapter needed.

The Black Box LES421A serial server offers seamless serial-to-Ethernet communication with support for RS-232, RS-422, and RS-485 protocols. This robust device ensures efficient data transmission for industrial and commercial applications, providing reliable and secure connectivity over Ethernet networks. With advanced security features and flexible integration options, the LES421A is ideal for remote device management, making it an essential tool for modern IT infrastructures.

The Lenovo Universal USB 3.0 to VGA/HDMI Adapter turns an available USB 3.0 port into a display port offering either VGA or HDMI output with support for high-definition 1080p and with audio (from HDMI port only).

Put your notebook or tablet’s high-definition video content up on the big screen with the HP USB-C™ to DP Adapter, which enables connection to an external display, TV or projector.Show and tellConnect the adapter to your tablet or notebook’s USB-C™ port and broadcast to a monitor, projector or TV through the DisplayPort connection.Pack and goTake the small adapter with you in your device’s carrying case for quick projection wherever you work.World-class supportRest easy with a one-year limited warranty.