RE: Re: RCV Only Cable for 100Base-T

[Frank Knobbe <FKnobbe () KnobbeITS com>]

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> -----Original Message-----
> From: Joe Pampel [mailto:joe () ardsley com]
> Sent: Monday, December 03, 2001 1:49 PM
>
> #2 is an interesting solution - the inline capacitor rolls 
> off the data freq and mangles the signal... easier than 
> putting in a 100ft + (or whatever) cable. I would have tried 
> a LPF first, but maybe that kills the "link" signal.. Being 
> an electric geek of sorts (tubes mostly these days though) I 
> will look into the basic design of NIC cards and see if there 
> isn't a simple way to bunge a common NIC (say an E100B/i82550 
> based) by cutting a PCB trace or something. I suspect the 
> data and the "I'm alive" signal come from different pins on 
> the chip.. at least that's my hope!
> Building a NIC (if necc) might not even be that bad (joints 
> like Mouser sell plug in proto boards and the steel end 
> brakets, cat 5 sockets, etc.).. famous last words?  Maybe 
> it's really tough, but I'm hoping we all get a break on this 
> one and find the easy way.

Joe,

take a look at my cable in the Snort FAQ. I'm using that on hubs
without a hitch. With a little patience, the cable can be crimped
easily. If you are interested, I can send you some pictures of the
crimped connector.

> This would be great for syslog servers, etc as well.

Nice, never thought of that, it may even work. Just make sure you
have static ARP entries on the hosts that need to send to the syslog
server.


Regards,
Frank

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