The 789-44 provides a quick low cost means of connecting Xantech IR receivers and keypads to four single or four dual emitters, with a power supply, in an infrared repeater system. It can also provide emitter expansion for various Xantech devices, such as the 590, 710, 792-10, 795-20, or 796-20. The STATUS terminal provides a convenient tie point for voltage to drive the STATUS indicator on certain Xantech products, such as the 780-80 IR receiver. The Xantech 781ERGPS power supply is included.