TP-LINK ISM321A-20 1000Base-BX WDM Bi-Directional Industrial SFP Module

The ISM321A-20 is a TP-LINK bi-directional industrial SFP module designed for optical data transmission over multimode fiber. Operating at an 850 nm wavelength, it supports data transfer over distances of up to 2 kilometres. The module is built for Gigabit connections and weighs just 25 g.

The module delivers stable, reliable performance while keeping power consumption low. Its straightforward installation and simple operation make it easy to add to existing network infrastructure. Hot-swappable design allows modules to be replaced during operation, which helps improve network flexibility and reliability.

The ISM321A-20 complies with the SFP+ MSA standard and can be connected to servers or other devices that support SFP+. It carries an IP20 protection rating, offering protection against dust and solid objects larger than 12.5 mm in diameter. The product is not waterproof, so it should not be used in wet or damp environments.