[HECnet] FDDI advice

[Hans Vlems]

I remember height unit, but that is my failing memory very likely :-)


Van: Dave McGuire
Verzonden: donderdag 10 oktober 2013 19:12
Aan: hecnet at Update.UU.SE
Beantwoorden: hecnet at Update.UU.SE
Onderwerp: Re: [HECnet] FDDI advice



If you mean a RU, Rack Unit...that's 1.75".

-Dave

On 10/10/2013 01:08 PM, Hans Vlems wrote:
> A hu is two inches, right?
> 
> *Van: *Brian Hechinger
> *Verzonden: *donderdag 10 oktober 2013 16:35
> *Aan: *hecnet at Update.UU.SE
> *Beantwoorden: *hecnet at Update.UU.SE
> *Onderwerp: *Re: [HECnet] FDDI advice
> 
> 
> On Thu, Oct 10, 2013 at 02:32:26PM +0000, Paul_Koning at Dell.com wrote:
>> >
>> > On Oct 10, 2013, at 8:44 AM, Brian Hechinger <wonko at 4amlunch.net> wrote:
>> >
>> >> On Thu, Oct 10, 2013 at 02:36:04PM +0200, Peter Lothberg wrote:
>> >>> ...
>> >>> For example cisco/cabletron/crecendo had ethnernet switches with a
>> >>> FDDI uplink, that you could use.
>> >>
>> >> DEC made one as well, it was that large modular thingie. I used to have
>> >> one. Never got it powered on as it was enormous.
>>
>> The original one is the DECbridge 500, a 3U rack mounted device, 3 or
> 4 cards, 3 Ethernets (10 Mb/s) to FDDI. See the DTJ issue I mentioned in
> my previous note.
>>
>> The other two: the DECbridge 900, which plugged into the 900 series
> modular enclosure. It's about the side of a 400 page hardcover book,
> FDDI to 6 Ethernet ports, 60,000 packets per second using a MC68040 at
> 25 MHz. I'm still proud of that. (I wrote the "fast path" packet
> forwarding firmware.)
> 
> Neat!
> 
>> Then there is the Gigaswitch, a large modular chassis with lots of
> line cards, some FDDI, some Ethernet, possibly some with other stuff I
> don't remember.
> 
> I think this is the one I had. Big modular thing. Maybe (and going by
> really fuzzy memory here) 8U high?
> 
> -brian


-- 
Dave McGuire, AK4HZ
New Kensington, PA