Used condition; may have wear and age related marks. See pics for condition / what’s included / testing conducted. Siemens 6DS1112-8AA TELEPERM M AS230/AS231 CPU Address Control Module Siemens TELEPERM M processor/address-control module, exact part 6DS1112-8AA, used in AS230/AS231 systems. Original Siemens packaging is shown. Folder instruction confirms two units in stock. Condition: Used industrial surplus item with possible age, storage and cosmetic wear. Untested unless explicitly stated; see photographs for exact condition and included parts. Please match the exact manufacturer part number, model, revision and visible connectors/specification to your application before purchase. Includes x1 Siemens 6DS1112-8AA module per purchase x2 units available.