Multi Port Serial - Avocent Corporation. Compatible Computer Devices

Description extracted from Wikipedia:

Avocent , a business of Vertiv, is an information-technology products manufacturer headquartered in Huntsville, Alabama. Avocent formed in 2000 from the merger of the world's two largest manufacturers of KVM (keyboard, video and mouse) equipment: Apex and Cybex Computer Products Corporation. As of August 2006, the company employed more than 1,800 people worldwide. On October 6, 2009, it was announced that Emerson Electric would buy Avocent for $1.2 billion USD. The tender was finalized on December 11, resulting in Avocent becoming part of Emerson Network Power, a division of Emerson Electric. On August 2, 2016, Emerson announced an agreement to sell Network Power to Platinum Equity. On December 1, 2016, Emerson Network Power announced they were rebranding under the name Vertiv and appointing Rob Johnson as CEO.