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DM240-DVB High-Speed Digital Modulator
Installation
This section provides unpacking and installation instructions, and a description of external
connections and backward alarm information.
2.0 Installation Requirements
The DM240 can be installed within any standard 19-inch equipment cabinet or rack, and requires
1 RU mounting space (1.75 inches) vertically and 17 inches of depth. Including cabling, a
minimum of 20-inches of rack depth is required. The rear panel of the DM240 is designed to
have power enter from the left and IF cabling enter from the right when viewed from the rear of
the unit. Data and control cabling can enter from either side although they are closer to the
center. The unit can be placed on a table or suitable surface if required.
There are no user-serviceable parts or configuration settings located
inside the DM240 Chassis. There is a potential shock hazard internally at
the power supply module. DO NOT open the DM240 Chassis under any
circumstances.
Before initially applying power to the unit, it is a good idea to disconnect
the transmit output from the operating ground station equipment. This is
especially true if the current DM240 configuration settings are unknown,
where incorrect settings could disrupt existing communications traffic.
TM083 – Rev. 3.0
Installation
2
2-1
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