"We do it right, the first time"

A fiber-optic link (or fiber channel) is usually a part of an optical fiber communications system which provides a data connection between two points (point-to-point connection

The PROFIBUS DP network is a multi-master token network – that means when there are two or more masters in the system, a token giving the right to talk to the field devices is passed from master to master, and each gets a share of the communication time