The IS200SPROH1A is a Terminal Board manufactured and designed by General Electric as a part of Mark VIe series used for PPRO and YPRO Backup Turbine Protection.
The IS220PCLAH1A is a core analog I/O module manufactured and designed by General Electric. It is a part of the Mark VIe series used in distributed control systems.
The DS200TCCAG1B is a Common Analog I/O Board manufactured and designed by General Electric. It is a part of the Mark V series used in distributed control systems.
The IS230SNSCH2A is a serial communication module, manufactured and designed by General Electric as part of Mark VIe Series used in gas turbine control system.