[HECnet] FDDI advice

[Dave McGuire]

  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