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3x panel in 5U with 1U width
3x switch UM 4pol to break all lines.
3x led holder 5mm
3x led (green or red)
9x powerconnector 4pol (microphone female) http://www.reichelt.de/B-604/3/index.html?&ACTION=3&LA=446&ARTICLE=4546&artnr=B+604&SEARCH=B+604
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