User guide

!! Preliminary version of user guide v1.8 !!
!! Preliminary version of user guide v1.8 !!
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3.6.2.2 GSM board with 8SIM cards per GSM module
JP2
JP3
JP1
SIM1_4
SIM1_3
SIM1_2
SIM1_1
SIM1_8
SIM1_7
SIM1_6
SIM1_5
SIM2_5
SIM2_6
SIM2_7
SIM2_8
SIM2_1
SIM2_2
SIM2_3
SIM2_4