Appendix: Cables and Pin Assignments
 HP 5890 Cable
 HP 5890 Cable  
Instrument for which the cable is required
 Caution:
 Caution:
Use this cable only if the gas chromatograph is controlled via an interface card (Agilent part no. 19254A-001). If the GC is controlled via a combined HP-IB/RS-232 interface card, also called DICE (Agilent part no. 19257), use a  Merck Hitachi Cable.
 Merck Hitachi Cable.
Pin Assignment
RS-232 Cable
The pin assignment of the 12-pin connector is as follows:

Pin assignment for RS-232 communication:
| HP 5890 | 
 | PC, 25 pin | PC, 9 pin | 
| (12-pin connector) | 
 | (Sub-D, female) | (Sub-D, female) | 
| 2 | -------------- | 3 (RXD) | 2 (RXD) | 
| 3 (Shield) | -------------- | Housing (Shield) | Housing (Shield) | 
| 4 | -------------- | 7 (GND) | 5 (GND) | 
| 6 | -------------- | 2 (TXD) | 3 (TXD) | 
Dionex Part Number
8914.0151: 12-pin connector - 9-pin connector cable (female, sub-D, 2.5 m long)
 Tip:
 Tip:  
If the corresponding Agilent connecting cable is available (Agilent part no. 19242-60500), modify the cable as required by replacing the 25-pin male connector with a 9-pin or 25-pin female connector.