Appendix: Cables and Pin Assignments
HP 5890 Cable  

Instrument for which the cable is required

 HP 5890

 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.

 

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

 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.