From: Jason A. Corcoran. (jason at domain corcoran.tc)
Date: Tue 05 Jun 2001 - 12:49:32 IST
On Tuesday 05 June 2001 12:32, Sean Edwards wrote:
> I am not aware of 75 ohm cable being an accepted physical medium. However,
75 ohm is acceptable for DAS2 ( or is it NET5) ISDN communications.
> Arcnet which runs on 93 ohm (RG 62), may work for you. The 2.5 megabit
> variety of arcnet is very mature and robust, and you may be able to get it
> to work on the 75 ohm cable. I have seen arcnet run over barbed wire and
> even paper clips (both in a lab environment), so I do not see much of a
> problem for it to run on 75 ohm coax.
>
> The problem for you would be finding arcnet adapters. If you are doing
> just two machines, this is not much of a problem. Self-termination became
> part of the arcnet spec, and you should be able to go from card to card
> with the coax. Depending on the cards, you may need some sort of arcnet
> hub. It may just be easier to trash the 75 ohm cable, and build a proper
> ether net.
>
> If you are determined to use the 75 ohm cable, there is plenty of
> documentation on the web regarding arcnet. There is even a 100mbit spec
> for arcnet, but I think it is only for twisted pair, not coax.
>
> Good Luck!
>
> -=Sean Edwards=-
> sedwards at domain integrated-training.com
>
> -----Original Message-----
> From: Darragh Rogan [mailto:darragh at domain roganmedia.com]
> Sent: 04 June 2001 22:28
> To: ilug at domain linux.ie
> Subject: [ILUG] CO AX Cables
>
>
> Hi,
>
> I found out that television co ax is rated as 75 ohms, and ethernet co ax
> is 50
> ohms - is there any way to get ethernet going over 75 ohms wiring?
>
> Thanks,
>
> Darragh
-- Rgrd's Jason _____________________ Jason Corcoran. Mail Jason at domain Corcoran.tc SMS Jay at domain Corcoran.tc _____________________
This archive was generated by hypermail 2.1.6 : Thu 06 Feb 2003 - 13:10:33 GMT