FM211 is Bachmann electronic’s FASTBUS master module with one fiber‑optic interface, designed to drive a distributed SubDevice network with low latency. It supports link distances up to 150 m on HCS/PCF cables or 40 m on POF cables and can manage up to 15 distributed SubDevices. The module provides RUN/ERR status indication and features a fiber-type display to aid diagnostics. Part number 00017821-00, it belongs to Bachmann’s Fx210 FASTBUS module family (FM211, FM212, FS211/N, FS212/N).
