For installation flexibility, the M-1CB4B amplified connector block is offered as a plugin interface device that provides connections for an M-1A Series repeater, four F-1 flashers, and power supply Model PS-M12. This configuration allows IR operation of up to four A/V components from up to four room locations. The M-1CB4B offers 1/8’ mini jacks for power supply Model PS-M12 and up to four F-1 flashers; it also provides terminals for wiring up to four M-1A repeaters (rooms) in parallel fashion. The units amplified circuit design supplies clear, strong IR data to source components.