X.21 Direct Connect Card (6 CCT) This data card provides six CCITT X.21 interfaces. Two of the six interfaces are presented on the faceplate of the card via a 25 pair AMP CHAMP connector. The remaining four interfaces are available at the backplane conne

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Please specify your question about X.21 Direct Connect Card (6 CCT) This data card provides six CCITT X.21 interfaces. Two of the six interfaces are presented on the faceplate of the card via a 25 pair AMP CHAMP connector. The remaining four interfaces are available at the backplane conne *

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