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Conference 7.286::fddi

Title:	FDDI - The Next Generation

Moderator:	NETCAD::STEFANI

Created:	Thu Apr 27 1989
Last Modified:	Thu Jun 05 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	2259
Total number of notes:	8590

1655.0. "Revision Matrix, Anyone?" by USHS05::KEELE (macgyver) Thu Apr 20 1995 21:09

    Where can I find a revision matrix for the DEFCN, DECConcentrator 500?
    
    What is the difference between DEFCN-MB revision A01 and DEFCN-MB
    revision B02?
    
    Any info would be appreciated.  Thanks,
    
    Terry Keele

T.R Title User Personal
Name Date Lines

1655.1 NPSS::JOHNSON Mike J., Network Products Support Fri Apr 21 1995 09:06 10

T.R	Title	User	Personal Name	Date	Lines
1655.1		NPSS::JOHNSON	Mike J., Network Products Support	`Fri Apr 21 1995 09:06`	10
	The latest versions of ALL DEFCN management modules contain changes to the power up sequencing logic. These changes are FULLY BACKWARD COMPATIBLE with older revision DEFCN chassis's but are REQUIRED with newer Rev C chassis's which have been shipped in about the last year. There was a BLITZ that described all of this, including some physical quick checks so you can visually confirm what rev your parts are in the event they were mislabeled. I'll try to get a copy of the BLITZ and post it here. /mj

The latest versions of ALL DEFCN management modules contain changes to the power
up sequencing logic.  These changes are FULLY BACKWARD COMPATIBLE with older
revision DEFCN chassis's but are REQUIRED with newer Rev C chassis's which have
been shipped in about the last year.  

There was a BLITZ that described all of this, including some physical quick
checks so you can visually confirm what rev your parts are in the event they
were mislabeled.  I'll try to get a copy of the BLITZ and post it here.

/mj