It can achieve the transparent fiber-optic transmission of asynchronous serial data like RS-232/RS-485/RS-422 signal, through 4-8 channel multi-mode fiber.

It can make up Point to Multi-Points star communication network. It solves the problems of electromagnetic interference, ground loop interference and lightning damage, which significantly improve the reliability, security and confidentiality of data communications.

Fiber-optic hubs in the series can choose "single fiber, bi-directional" light source, greatly saving fibers.