Learn how to match SFP modules with your switch or media converter by checking compatibility, speed, fiber type, wavelength, and distance. This guide explains the key factors you must verify—based on actual industry. How to Ensure Interoperability Between Two Optical Transceivers? When it comes to the connection between two fiber optic transceivers, the following four factors should be taken into considerations: wavelength, speed, fiber type, and the connection to switches. See below for a list of devices that support transceiver monitoring.