Proper use
Operating Manual U 911...U 946 -
Version 12-2021A
Page 4
Proper use
The satellite splitters U 911...U 946 are used exclusively for distributing signals in SAT IF distribution
systems.
Modification of the devices or use for any other purpose is not permitted, and will immediately void any
guarantee provided by the manufacturer.
Target group of this manual
Installation and starting operation
The target group for installation and starting operation of the ASTRO headend technology are qualified
experts who have training enabling them to perform the work required in accordance with EN 60728-11
and EN 62368-1. Unqualified persons are not allowed to install and start operation of the device.
Device configuration
Target group for the configuration of the ASTRO headend are persons who have received instructions
and have training enabling them to perform a configuration. Knowledge of EN 60728-11 and EN
62368-1 is not necessary for configuration.
Device description
The delivery is comprised of the following parts:
U 9xx SAT splitter
Operating manual
Front side
[1] Controller connection
[2] Signalling
[3] Remote power on/off switch
[4] Label field
[5] Test points
Rear side
[6] Outputs Y
[7] Outputs X
[8] Input Y
[9] Input X
[10] Bus connector sockets
[11] Mains power sockets
[12] Earth terminal
Figure 1: U 911 SAT splitter
The U 911...U 946 SAT splitters feature a CE marking. This confirms that the products comply with the
relevant EC directives and adhere to the requirements specified therein.
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