HP UPS User Manual page 24

Connect one end of a network cable to the RJ-45 connector on the adapter.
2.
Connect the other end of the network cable to a serial device connector on the management module.
3.
Note the connector number on the management module to which the device is connected.
Connect the device to a UPS load segment receptacle using the device input power cord or a jumper
4.
cable.
Installing the HP UPS Management Module 24