Sungrow SBR128 - Page 28

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step 2 Remove the inner rubber gasket.
step 3 Insert the RJ45 plug into the front plug connector until there is an audible click, and install
the rubber gasket.
It is recommended that the RJ45 connector be exposed 9 - 11mm outside the
communication connector.
step 4 Tighten the swivel nut.
4 Mounting User Manual