Astro Systems AP52-3-1-1 Servo Control Position Synchronizer

AP52-3-1-1 Servo Control Position Synchronizer (MPN AP52311) from AstroSystems is a legacy servo-control module identified by model AP52-3-1-1. Market listings describe it as a Servo Control Position Synchronizer used within the AstroSystems AP52-3-1-1 family and associated AstroPlx 100 systems. The unit is listed as discontinued by the manufacturer, with secondary-market references noting AP52-3-1-1 in connection to AstroPlx 100 and mentioning related AP52-3-2 variants. The AP52-3-1-1 appears in repair and parts channels (for example, Lektronix and ACS Repair Catalog) under AP52311, indicating ongoing maintenance and replacement activity despite its discontinued status. A representative listing on a retail marketplace titles the item as “AstroSystems Astroplx100 Servo Control Position Synchronizer AP52-3-1-1,” tying the model name directly to the Astroplx 100 platform. This description stays focused on the product identity and its role as a position-synchronization device within a servo-control lineage, without speculating on electrical ratings, connector details, or undocumented features.