Ethernet cable (Was: Sun3 valuations?)

curiousmarc3 at curiousmarc3 at
Tue Jan 23 13:07:15 CST 2018

Have you seen this part of the video where David Boggs (designer of the first 3 Mb Ethernet card for the Alto), and Ron Crane (designer of the 10 Mb Ethernet) are doing a show and tell in their own words? You get to see the clamps, the drill, the transceivers, the cards, and some of the inventors. Regrettably Ron passed away a few month after we took the video. We still miss him.

-----Original Message-----
From: cctalk [mailto:cctalk-bounces at] On Behalf Of Al Kossow via cctalk
Sent: Tuesday, January 23, 2018 8:10 AM
To: cctalk at
Subject: Re: Ethernet cable (Was: Sun3 valuations?)

there are pictures of the transceiver w/o the vampire tap on bitsavers under

On 1/23/18 7:51 AM, Noel Chiappa via cctalk wrote:
>     > From: Grant Taylor
>     > According to the following page, it was not RG-8 cable ... As such it
>     > was purpose built.
> The 10MBit cable, yes; it was custom (you can see 'Ethernet' printed 
> on the chunk in the picture). (I'd forgotten about the black stripes! 
> I'm not sure we really bothered to follow that.)
> The earlier 3Mbit I'm not so sure about - that has the air of standard 
> commercial coax.
> I wish there was a picture of a 3Mbit transceiver, clamp-on holder, 
> etc! Does the CHM or LCM have them with their Alto stuff?
> 	Noel

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