User's Manual

4 Commissioning
ID No: 161692 PRELIMINARY Page 25
4 COMMISSIONING
4.1 GENERAL
Read the health and safety warnings in chapter 1.2 Health and Safety Warnings and
observe the following step-by-step procedure.
• Do not operate the Node C without terminating the antenna connectors. The
antenna connectors may be terminated by connecting them to their respective
antennas or to a dummy load.
• Only qualified personnel should carry out the electrical, mechanical,
commissioning, and maintenance activities that require the unit to be powered
on when open.
• When opening the Node C or interface box do not damage the warranty labels
on the internal devices. The warranty is void if the seals are broken.
To open the cabinet of the Interface Unit, first remove
the front cover plate by loosening the four M5 socket
head cap screws (circle-marked in figure to the left).
Do not remove those screws. When they are
loosened, the front cover plate can be taken off.
To open the housing, unscrew the three M5 socket
head cap screws (captive) of the top cover of the
Interface Unit.
) Note: Do not forget to reinstall the front
cover afterwards to ensure safe
operation.
) Note: Before closing the Interface
Unit, make sure that the mains power
switch inside is set to On:
figure 4-1 Front and top cover screws figure 4-2 Position of mains power switch
Three top
cover screws
Mains power switch