The SWM-E2 (SWM-E4) is a Dual SWM Combiner used to connect two (or 4) SWM-8 Multiswitches. It splits the dish and off-air inputs internally and feeds them to 2 (or 4) SWM-8 multiswitches.
Requires one 3A502DA22 power supply for every TWO SWM-8 multiswitches installed. (Or one SWM-PI power supply for each SWM multiswitch installed).