Patent ID: 7497704

Claim:
A connector to be mounted to a substrate, comprising a plurality of contacts each of which has a contacting portion to be connected to a mating connector and a terminal portion to be connected to the substrate, wherein: the contacts includes a first contact group comprising a pair of signal contacts ,and a ground contact; the contacting portions of the paired signal contacts are disposed in a first row with a first interval kept from one another; the contacting portion of the ground contact is disposed in a second row parallel to the first row facing the first interval; the terminal portions of the paired signal contacts are disposed in a third row to be adjacent to each other; and the terminal portion of the ground contact is disposed in the third row to be outside of the terminal portions of the paired signal contacts; and wherein the contacts further include a second contact group comprising a pair of signal contacts and a ground contact; the contacting portions of the paired signal contacts in the second contact group are disposed in the second row, spaced from each other at a second interval, and adjacent to the contacting portion of the ground contact in the first contact group; the contacting portion of the ground contact in the second contact group are disposed in the first row to be faced to the second interval; the terminal portions of the paired signal contacts in the second contact group are disposed in the third row, adjacent to each other, and adjacent to the terminal portion of the ground contact of the first contact group; and the terminal portion of the ground contact in the second contact group being is in the third row and adjacent to one of the terminal portions of the paired signal contacts in the second contact group.