"Overview\nSUPDMB20KIEC combines the output of two compatible SU8000RT3UPM or SU10000RT3UPM UPS power modules for fault-tolerant N+1 or increased capacity configurations. Manual bypass feature enables hot-swappable replacement of both power modules with no disruption in power to connected equipment. (IMPORTANT > compatible only with SU8000RT3UPM and SU10000RT3UPM power modules built after 6\/2010 with built-in USB and PARALLEL back panel data connections)."