Patent ID: 8482421

Claim:
A system for detecting a patch cord end connection comprising: a patch cord, the patch cord having a first patch plug electrically connected at a first end and a second patch plug electrically connected at a second end, the first patch plug and second patch plug each having a ninth wire pin; a first port; and a second port, each of the first port and second port having a set of ninth wire contacts, each of the set of ninth wire contacts having a first portion and a second portion wherein the contacts are configured such that the first portion and second portion of each set of ninth wire contacts for the first port and second port are electrically isolated from each other when there is no plug inserted into the port and further configured such that: a circuit is completed between the first portion and second portion of the set of ninth wire contacts of the first port when the first patch plug is inserted into the first port via the ninth wire pin of the first patch plug; a circuit is completed between the first portion and second portion of the set of ninth wire contacts of the second port when the second patch plug is inserted into the second port via the ninth wire pin of the second patch plug; and a circuit is completed between the set of ninth wire contacts of the first port and the set of ninth wire contacts of the second port when the first plug is inserted into the first port and the second plug is inserted into the second port.