This device provides a convenient means of assigning any one of 12 intercom channels and/or three program audio channels to 26 individual or groups of intercom user stations. Viewed as a “matrix switch”, it transforms a basic two-buss intercom system into a 15-buss system. When used as an intermediary between Series 800 (conference line) master stations and RTS® Two-Wire Intercom system user stations, the SAP-1626 distributes the master station channels to each group of user stations.

While the master stations have multiple channel capability and can access a number of lines independently or simultaneously, user stations have only two-channel capability. The SAP-1626 programs each user station to correspond with the same channels on the master stations. Once the channel assignments are made, the master station selectively communicates with any combination of user stations programmed on different channels. The SAP-1626 can also be used to assign channels in a 15-channel user station system configuration without master stations.