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{Real-size mockup} A mockup with the real dimensions of a TRD super-module assembled in the Physikalisches Intitut der Universi¨a;t Heidelberg is presented here the first time. The assembly took place on monday and Tuesday (03.02. -- 04.02.2003). Here are some pictures collected to show the limited space which will be available for the different services (low and high voltage and cooling pipes...).  The electronics, namely readout boards and the DCS board have to fit between the to chambers.  These three pictures should demonstrate the space available for these parts.  . The services which have to run between the chambers are the Ethernet/power cable for the DCS board, the optical cable to the TTCrx, the cables for the different measurements (Temperature, grounding, humidity, supply voltages.) And the DDL optical cable (two per chamber). The distribution of the readout board can be seen in these pictures:   . Due to the different sizes of the chambers the inter readout board distances vary. The services which have to run to the "outer" world are: xxx yyy ddd. The cables an pipes have to go through the wholes in the support structure:  . Unfortunately the available space shrinks with the chambers built in;-)
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