All products in the TCX Series Optical Transport System portfolio adhere to the Open ROADM multi-source agreement (MSA) found here . Therefore, the TCX1000-RDM20 is compatible with other ROADMs that adhere to this standard. In addition, the proNX Optical Director can also control and manage other ROADMs, multiplexers, and transponders that adhere to the Open ROADM MSA.