GE IS220PDOAH1B Discrete Output PackDescription The IS220PDOAH1B is a Discrete Output Pack developed by General Electric (GE) as part of the Mark VIe control system. It serves as a crucial link in the electrical connection between one or two Input Output (I O) Ethernet networks and a dedicated discrete output terminal board. The module consists of two key components: a common processor board used across all Mark VIe distributed I O packs and a specialized acquisition board designed