AppendixA ConnectorDescriptions
©NationalInstruments Corporation A-7 SerialHardware and Software for Windows
TableA-4. 68-PinConnector Pin Descriptions
68-PinConnector Port
485
Signal
485
D-Sub9
Connector
232
Signal
232
D-Sub9
Connector
12345678
66 57 49 40 32 23 15 6RXD–5DCD 1
68 59 51 42 34 25 17 8CTS+ 2RXD 2
65 56 48 39 31 22 14 5RT S+ 3TXD 3
64 55 47 38 30 21 13 4RXD+ 4DTR 4
60 60 43 43 26 26 9 9 GND 1GND 5
63 54 46 37 29 20 12 3CTS–6DSR 6
62 53 45 36 28 19 11 2RT S–7RTS 7
61 52 44 35 27 18 10 1TXD+ 8CTS 8
67 58 50 41 33 24 16 7TXD–9RI 9