Alcatel-Lucent OmniPCX Office Installation Manual page 69

6. Close the unit and secure it with the four screws.
7. Stick a label on the unit stating the date of the installation and the number of batteries
installed.
Procedure for 36 V stack version (for L systems)
The 12 V stack version of the external battery unit can used with L systems. It uses three 12V -
7Ah batteries. Two external battery units can be connected in parallel to obtain the autonomy
achieved with six batteries.
1. Ensure that the ON/OFF switch on the external battery unit is set to the OFF position (0 or
black) and that there is no cable connected to the unit (see the figure below).
2. Open the unit by removing the four screws (ST3.5x32) with a screwdriver (Phillips PH2).
3. Insert the three batteries in the open unit, into the positions B1, B2 and B3 (see the figure
below).
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