Timothy,

As others have pointed out, this can be done.  I investigated this 
about 5 years ago for a client and the main issue is that some of 
the IBM connectors and patch panels cannot support the higher 
frequencies needed for 100MB Ethernet (it has to do with the way 
the connectors are constructed).  They will work fine for 10MB, but 
not 100.  

There are IBM connectors and patch panels that are 100MB 
certified, but if your client doesn't already have the infrastructure to 
support 100MB, they will be far better off pulling new CAT5 cabling. 
 
To find out if they're cabling will support 100MB, just get a couple 
of IBM media filter cables (IBM type 1 connector to RJ45 adapters) 
and try to connect at 100MB.  If it works at 10 but not at 100, your 
infrastructure most likely is not 100MB capable.

HTH,
Kent

On 17 May 2001, at 15:24, Hornbeck, Timothy wrote:

> Is it possible to run 100mb Ethernet over Type1 cabling?  If so what
> are some of the issues in doing so?  Looking to cut some costs on a
> project.
> 
> Timothy J. Hornbeck
> Technical Analyst III
> Infrastructure Implementation - LAN/WAN
> "6EQUJ5" - By Unknown (recorded at OSU "Big Ear")
> FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html Report misconduct and
> Nondisclosure violations to [EMAIL PROTECTED]




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