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====== T-Test7811 ======

These three T-adapters are optional and only fit into the testing crate. For use the NI-cable to the PXI7811-board carrying the signals to be examined has to be disconnected at the MAPS-adapter and must be feed to one arm of a T-adapter. Then an additional cable is introduced at the other arm of T-adapter and feed to the origional port at the MAPS-adapter to close the signal line again. Having done that an examination of signals can be executed at VG-pins on the back of the test-crate or with an VG-extender board at the fron side.\\ 

^ ^ ^
|{{ :projects:maps:fehlermessadapter_maps.jpg?direct&300 |T-Tests internal}}  |Signals to be measured and pins to measure on:\\  {{:projects:maps:belegung_vhdci_maps-bus_test.jpg?direct&300|Signals to test}}  |


Use of T-Testadapter: There are two different sources with two different cables running to the NI PXI-7811R FPGA-board. In order to examine signal flow fit in T-Testadapter by disconnecting direct connection (upper cable) at the MAPS-adapter in built in the "T" and an additional cable (like lower combination):
^  Device  ^  Cable  ^  Device  ^
|  **MAPS-Adapter**  |  SHC68-68-RDIO  |  **PXI-7811R**    \\  FBGA board  |
|  connector (at cable)  \\  68-pin 0.050 D-Type | {{ :projects:maps:t-adapternutzung.jpg?nolink&400 |T-Adapternutzung}} |  connector 2/3 (at cable)  \\  VHDCI 68-pin male  |
|  |  SH68-68-EP  <color white> ############## </color> SHC68-68-RDIO  |  |
|  **MAPS-Interface**  \\ (Fa. Hörmann-IMG )  |  SHC68-C68-S  |   **PXI-7811R**    \\  FBGA board  |
|  connector (at cable)  \\  VHDCI 68-pin male  |  {{ :projects:maps:t-adapternutzung_zur_img-kiste.jpg?nolink&400 |}}  |   connector 0/1 (at cable)  \\  VHDCI 68-pin male   |
| |  SHC68-68-RDIO   <color white> ############## </color>  SHC68-68-RDIO    | |
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