Model277 is a serial RS-232/485/422 converter for optical fiber capable of transparently offering data transmission, without the need for configured connection cables, mode switching and being able to detect and examine the signal speed automatically, without delay of the transmission.

Model277 equipment adopts optical fiber transmission, has isolated protection, guarantees data privacy and stability. They are extremely durable and can work in harsh environments.

It can be used in industrial automation, traffic control, and energy applications.