Agilent 5890 GC problems

We currently have three Agilent 5890 GC systems. We have also recently upgraded to Empower 3 FR2 from Empower 2.Under Empower 2, we were using bus-LAC/E cards to connect the GCs. We had no issues with this. Under Empower 3, we purchased an Avocent 8 port serial hub to connect our GCs. We have followed everything outlined in this document:… to the best of our knowledge.We are unable to run more than one GC at a time without one (or all) of the GCs stopping part of the way through a sequence. No error messages are given. Does anyone have any suggestions?


  • Have you tried using the Avocent serial card instead of the hub? If that also doesn't work, you might just need to put the second GC on its own LACE.
  • Go back to the BUS-LACE boards! Serial is THE slowest means of controlling anything w/ Empower. If the BUS-LACE boards worked in E2, they should work in E3.
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