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HDMA 784 C ASI
3.2 i
nstalling
the
Qam
module
– Check that the plug contacts of the CA module are tightly seated in the
terminal strips on the common interface of the QAM module and make
sure there is reliable contact.
– When installing a module, make sure that it is inserted in one of the long,
numbered grooves in front of the contact strip on the board at the rear wall
of the housing.
– The shorter, non-numbered grooves without a contact strip on the board at
the rear wall of the housing are for add-on modules only.
• Open the housing of the head-end station in accordance with the assembly
instructions for the STC 160.
• Open the locking device
1
in the direction of the arrow (fig. 2).
1
Fig. 2
• Insert the QAM module in grooves
A
of an open slot (with contact strip on
the board at the rear wall of the housing) and gently slide it into the head-
end station until it makes contact with the board on the rear wall (fig. 3).
• After installing the QAM module close the locking device
C
in the direction
of the arrow (fig. 3). Ensure to get a well contact to spring
B
.
B
A
A
C
Fig. 3
