LX: OPM_LPA_11U_5K0_10K_1US_V021 22 GE DE LanPro-11U UPS: Installation / User Manual 2.1 (US)GE Digital EnergygRear panel of the step-up transformer:11b Input terminals L, N and GND17 Conduit box18 Cable inletRear panel of (optional) battery extension pack:15 DC socket (14Ah only)15a DC connector16 Battery fuse holder(s)7Ah: 2 fuses14Ah: 4 fuses19 Gland to fasten cable in conduit box of UPS1718 11b15a161514Ah19Figure 21. Rear panel batteryextension pack (optional)Figure 20. Rear panel of thestep-up transformer