Filter
Top Products
Appendix A Connector Descriptions
© National Instruments Corporation A-7 Serial Hardware and Software for Windows
Table A-4.
68-Pin Connector Pin Descriptions
68-Pin Connector Port
485
Signal
485
D-Sub 9
Connector
232
Signal
232
D-Sub 9
Connector
1 2 3 4 5 6 7 8
66 57 49 40 32 23 15 6 RXD– 5 DCD 1
68 59 51 42 34 25 17 8 CTS+ 2 RXD 2
65 56 48 39 31 22 14 5 RTS+ 3 TXD 3
64 55 47 38 30 21 13 4 RXD+ 4 DTR 4
60 60 43 43 26 26 9 9 GND 1 GND 5
63 54 46 37 29 20 12 3 CTS– 6 DSR 6
62 53 45 36 28 19 11 2 RTS– 7 RTS 7
61 52 44 35 27 18 10 1 TXD+ 8 CTS 8
67 58 50 41 33 24 16 7 TXD– 9 RI 9