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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).

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.