Weidmueller HTX-HDC/POF

Therefore, HTX-HDC/POF is probably a component used in industrial communication networks that utilizes Plastic Optical Fiber and a ruggedized (HDC) connector. It could be a cable, a connector, a transceiver, or some other device. To find the exact product, you'll need to search online using the full designation "HTX-HDC/POF" and any relevant context (e.g., the industry it's used in).  The slash (/) might indicate that the POF is connected via the HDC connector, or it might be part of the product designation itself.