Appendix: Cables and Pin Assignments
 ThermoQuest/Fisons/Thermo Scientific Cable
 
 ThermoQuest/Fisons/Thermo Scientific Cable
Instruments for which the cable is required:
 HS850 
 and HS2000 Headspace Samplers
 HS850 
 and HS2000 Headspace Samplers
Pin Assignment
Use the following cable to connect the device to the serial interface on the server PC:
| Instrument | 
 | PC, 25-pin | PC, 9-pin | 
| (9-pin, Sub-D, male) | 
 | (Sub-D, female) | (Sub-D, female) | 
| 1 | 
 | 
 | 
 | 
| 2 | -------------- 
 | 3 (RXD) | 2 (RXD) | 
| 3 | -------------- 
 | 2 (TXD) | 3 (TXD) | 
| 4 | -------------- 
 | 20 (DTR) | 4 (DTR) | 
| 5 | -------------- 
 | 7 (GND) | 5 (GND) | 
| 6 | 
 | 
 | 
 | 
| 7 | 
 | 
 | 
 | 
| 8 | -------------- 
 | 5 (CTS) | 8 (CTS) | 
| 9 | 
 | 
 | 
 | 
Dionex Part Number
8914.0148 9-pin to 9-pin cable
8914.0149 25-pin to 9-pin cable