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Connecting rPDU Power Cables
2. Connect communications cables between batteries and the UPS.
a. Connect the signal cable of the lithium battery at the bottom to the BMS port on the UPS.
b. Connect communications cables between lithium batteries. From bottom to top, connect
the COM_OUT port on the lithium battery to the COM_IN port on the lithium battery above it.
c. A build-out resistor needs to be installed on the COM-OUT port of the lithium battery on
the top.
(1) UPS rear (2) BCB box