Internal optics have been optimized for use with 1-mm diameter polymer optical fiber. Versatile Link specifications incorporate all connector interface losses. Therefore, optical calculations for common link applications are simplified.

HFBR-0500Z Series Versatile Link Fiber-Optic Connection

Yes, you can insert a bare end POF cable into the Broadcom HFBR-0500 Series transceivers (e.g., HFBR-1521Z, HFBR-2521Z, etc.) — that’s one of their key advantages.

✅ Here's how it works:

The HFBR-0500 series is designed for tool-less, field-installable connections.

You can directly cut and insert a 1 mm core POF cable (typically with 2.2 mm jacket) into the transceiver.

No pre-attached connector is required.

https://www.broadcom.com/products/fiber-optic-modules-components/industrial/industrial-control-general-purpose/650nm/hfbr-1521z