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Joined: Mar 2007
Posts: 91 Likes: 1
Member
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OP
Member
Joined: Mar 2007
Posts: 91 Likes: 1 |
Did the pre-install of the cards when the system was new.
The system has been in place and operating for over 12 years. Just suddenly the analog cards in the odd numbered slots do not ring. I've tried replacing the PSU and swapping the PSUs positionally. The trouble remains on the same slots. I'll have to assume the issue is with the backplane. I was hoping someone had experienced this before and had a definitive answer.
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