User guide

Chapter 11 Maintenance
Replacing the Power Module
SCE 1000 2xGBE Release 2.0.10 User Guide
OL-7117-02 11-3
Replacing the Power Module
Both AC and DC power modules are field replaceable; if one of the power supplies fails, you can
simply replace it using the following procedure. The AC power supply and DC power supplies are
different and cannot be interchanged. The power supply units are asymmetrical, with screws in
only two diagonal corners of the unit. and can only be inserted in one direction, to prevent the
accidental installation of one DC unit and one AC unit.
The handle of the AC unit is at the bottom of the unit.
Figure 11-2: AC Power Module
The handle of the DC unit goes at the top.
Figure 11-3: DC Power Module
Warning
Make sure that the power supply unit is switched off, and that appropriate fuses or circuit breakers in
the power distribution panel are turned off before replacing a power supply unit (NO hot-swap.)
Warning
This unit may have more than one power supply cord. Disconnect the cord of the defective power
supply before servicing to avoid electric shock.