BlackTube by Engage Black integrates strong commercial encryption into the Engage IP Tube circuit to packet product line. BlackTube connects legacy equipment to packet networks, allowing organizations to retain existing SCADA, PBX, modem, serial equipment, and operations while connecting to the latest packet-based network services and technology. BlackTube includes two product families: Standard and CEP, with the CEP family adding management capabilities like advanced authentication, user roles, logging, and network timing. BlackTube supports various circuit interfaces such as RS232, RS530, V.35, Analog, 202T modem, T1, E1, T3, and E3. It offers features for successful circuit traffic transport over packet networks, including echo cancellation, data compression, multi-drop, NERC CIP compliance, multiple data center support, and granular buffer settings.