The HP J8168A#ABA is the ProCurve 600 RPS/EPS, a combined Redundant Power Supply (RPS) and External Power Supply (EPS) unit designed for HP ProCurve switches like the 2600 and 2800 series. It provides backup power for up to six switches (via 6 RPS ports) and external Power over Ethernet (PoE) power for compatible switches (via 2 EPS ports).
Essential for our high-availability setup.
A workhorse for our production environment.