Backplane mounting guidelines
In order to avoid physical stress on the backplane in the module installation process, the signal distribution board should be mounted in the control cabinet as described in the following figure.

Further Information
EJ8xxx | Signal-Distribution-Board for standard EtherCAT plug-in modules · 0 次阅读
In order to avoid physical stress on the backplane in the module installation process, the signal distribution board should be mounted in the control cabinet as described in the following figure.
