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http://www.apo.nmsu.edu/Telescopes/SDSS/eng.papers/19970901_TychoDensity/19970901.html.
http://www.apo.nmsu.edu/Telescopes/SDSS/eng.papers/19970901_TychoDensity/19970901.html.
1. Standard USOC Harmonica
Each harmonica consists of eight 6-wire 6-position RJ11 jacks connected to one 50-pin male Telco connector. Note that a patch panel simply consists of a set of harmonicas mounted in one panel. USOC is a common way of wiring the RJ11 jacks to the Telco connector, and it is the standard we use at APO. Always buy USOC harmonicas and patch panels for RS-232 distribution! RJ11 Pin . ... Male Telco Connector Pin . ... Note that Telco pins 25 and 50 are not connected . RJ11 Pin Numbers . ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/RJ11_Serial/Standard_USOC_Harmonica.html -- 6.4 Кб -- 06.10.2004
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