These documents are the standard AP-M Series documents, which include operating and wiring the system.
AP-M Operation and Installation Instructions
AP-M Operation and Installation Instructions
MP-S Instructions
Adding External Signaling to an AP-M Answering Station
Adding an LE Series Door or Sub Station to an AP-M Answering Station
Using an LE Door or Sub Station with an MP-S Answering Station
Adding External Signaling to an Existing MP-S Answering Station