Re: [AMMRL] cannot connect to CCU

From: Spin-Doc <bert.heise_at_spin-doc.net>
Date: Fri, 16 Jan 2026 11:23:40 +0100
Hi,

Two more things to try:
- are the AQS fans all working? You may be able
to check their status when connecting to the DRU website, DRU managed devices - AQS Cardcage
- with the console switched off, try to “ping spect”. If you get a reply
then there’s a connection to a computer “on the internet” having
the same IP address. Does the console boot when you disconnect the local Ethernet/intranet
cable? You may then need to exclude the 146 address range from accessing the intranet card of the NMR PC.

Best regards 
Bert

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Spin-Doc 
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Representing MestreLab software, Stelar relaxometers & Barthel HF amplifiers



Am 15.01.2026 um 18:04 schrieb Kenneth Sharp-Knott via groups.io:

Hi Brian!

I'm not going to be too much help, but we used to have a AVII that was very sensitive to firewall changes and linux updates.  I can't recall the software/process that would 'break' but often after an update it would no longer automatically launch upon reboot essentially breaking any possibility of communication between the workstation and the console.  There used to be a wizard at Bruker, Peter DeMue (Demouo?), who would eventually track it down and reset the firewall or whatever process it was to get things going again. 

IF you are able to communicate via a web browser it may well be that you are bypassing this process that needs to be running but isn't.  

This comms issue manifests with all sorts of downstream errors that really point you in every direction but the right now.

Was there any kind of background update that might have taken place right before the trouble began?

I'm going to end up posting this to AMMRL in case it jogs anyones memory....

Best regards


Ken Sharp-Knott
Manager of Analytical Services and the NMR Facility
Department of Chemistry 
Virginia Tech

(540)267-6502 (Cell)
(540)231-0885 (Office)
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Received on Fri Jan 16 2026 - 03:53:56 MST

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