Receiving card and power front maintenance: after taking out the module, the screwdriver can be
used for receiving card and power front maintenance.
Receiving card
Switch power
The rear maintenance of module, power supply and receiving card:
• After the back cover of the cabinet is removed, the magnetic attraction module can be
taken out from the opening for maintenance;
• The power supply and receiving card can be maintained after the power supply rear cover
is opened with a screwdriver.
After removing the cover plate,
remove the module from the
opening.
After opening the rear cover,
maintain the power supply
and receiving card.