CABLES UNLIMITED's CUI28AWGTEMP25P9P 2 ft jumper composed of 28 gauge stranded copper, foil shield, and drain wire in a PVC jacket. This jumper has a 25 pin connector and a 9 pin connector. 25 pin connector pin 2 is connected to 9 pin connector pin 3. 25 pin connector pin 3 is connected to 9 pin connector pin 2. 25 pin connector pin 7 is connected to 9 pin connector pin 5.