AEG PROTECT B. 750 Operating Instructions Manual page 31

6. Align the second (smaller) mounting bracket at the rear
of both units and mount them with the enclosed screws.
7. Install Plug of the battery module with the socket at
the rear panel of the USP. Fix the output module to
the notch of the battery module.
The setup of the rack-mount is completed.
PROTECT B. 1500 BP / B. 2000 BP
If you want to install optional external battery modules in a 19"
rack use two of the units together and follow the steps 1 to 7
as described above.
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