Audac OPT2 Optical Fiber KitThe OPT2 is a fiber interconnection interface for the R2 and M2 Digital Multi Zone & Multi Media Matrix Systems. This module makes it possible to transfer up to 16 digital audio signals over one single fiber conductor (8 stereo channels) for covering large distances. A duplex 62. 5 125 m multimode glass fiber terminated with ST PC connectors should be used for linking the devices with each other. The wiring of the entire system needs to be done