By way of summary, in the preferred form of the invention, the patch panel comprises a manually programmable device that incorporates shunts or dip switches that are readily accessible from the front panel of the device. In the patch panel construction of the invention, a multi-pin connector block is...http://www.google.fr/patents/US6535367?utm_source=gb-gplus-shareBrevet US6535367 - Electrical patching system
