5.2 Test power source
The equipment shall be tested using the appropriate test power source as specified in clauses 5.2.1 or 5.2.2.
Where equipment can be powered using either external or internal power sources, then the equipment shall be tested using the external power source as specified in clause 5.2.1 then repeated using the internal power source as specified in clause 5.2.2.
The test power source used shall be stated in the test report.