TAG Heuer Data connection FROM TO CONNECTOR TYPE CONNECTION PTB 605 PTB 606 > PC Male SubD9 to female SubD9 1 to 9 on 1 to 9 PTB 605 PTB 606 > DISPLAY HL960/990/965 3.5 mm Stereo Jack – Female DB9 3 on 2 1 and 2 on 5 PTB 606 > DISPLAY HL960/990/965 Female DB9 – Female DB9 2 on 25 on 5 CP705 > PC HL620 TX Male DB9 – Female DB9 1 to 9 on 1 to 9