Cards with audio link between COMPACT and slave matrices
Audio link cards between COMPACT master audio matrix (with UMX-LNK installed) and COMPACT-E sub matrices (with UMX-LNKE installed) or IF-7P4/0E. The card links 4 audio channels (for music or announcements) and an emergency channel between the matrices, with simplified wiring (2 x RJ45), suitable for ease connection of equipment in different racks. It allows the creation of a ring bus with disconnection notification. OPTIMUS models ref. UMX-LNK and UMX-LNKE.