10.6 Number of shocks 18 shocks (three positive and three negative in each of the three orthogonal axes) as specified in IEC 60068-2-27 shall be applied to the equipment. This test shall be repeated for each mechanical state as identified in 6.3.1. 10.7 Functioning during test It is not necessary for the equipment to operate during tests. Nevertheless some equipment may have to retain its functional integrity; this shall be verified as requested by the manufacturer or the customer in the test specification unless otherwise stated in the relevant product standard.