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Conference netcad::hub_mgnt

Title:DEChub/HUBwatch/PROBEwatch CONFERENCE
Notice:Firmware -2, Doc -3, Power -4, HW kits -5, firm load -6&7
Moderator:NETCAD::COLELLADT
Created:Wed Nov 13 1991
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:4455
Total number of notes:16761

1545.0. "setup port chip blown on Hub Manager 900" by GIDDAY::STANISLAUS () Mon Oct 10 1994 23:27

    
    
    	I have a Hub Manager module from a DEChub 900 that works in all
    respects but does not talk to the console. I have replacd this module
    and got the Hub Manager working. On inspecting the faulty Hub Manager
    module I noticed a 2 mm size hole in a chip just to the left of the
    setup (RJ45) port. This chip has got the following ITA2783 92A327
    MALAYSIA. I can't believe this to be a natural failure. Is it possible
    that someone plugged something into the RJ45 connector setup port and
    cause this kind of damage. If this has happened once, then it is likely
    to happen again, unless we know what caused the damage.
    
    	There is an identical chip as above to the right of the OBM port
    (DB9 connector) as well. This chip is intact.
    
    Alphonse
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