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Joined: Mar 2006
Posts: 58
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OP
Member
Joined: Mar 2006
Posts: 58 |
The system took a lightning strike a couple of weeks ago that re-set programming to default and took out the maintenance port. I replaced the DXCPU and was able then to get into the program mode and restore program from backup. After doing this I found that several exts. had distorted transmission on handset and speakerphone. All of these exts. were on the same DXDST-16 card which is in UNV slot 6 of the expansion cabinet. I have verified that the problem is in the KSU and not the cabling. I have replaced the DXDST-16 card but that did not clear trouble. All of these are in a remote building that was closest to the lightning strike. I have replace surge protection on both ends of cable since I found a couple of bad protectors that had 2 stations totally dead. I suspect one or both of the interface cards. Any suggestions? Thanks!
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