27 Oct
1999
27 Oct
'99
9:21 a.m.
Seriously, 10baseT has advantages. Particularly that a
luser can't bring
a segment down by taking the wrong plug off the T-piece.
Or plugging the network T straight into the "Video Out" BNC jack on the
back of their VT100. Been there, seen it happen!
But for home hacking, 10base2 has the advantage that
you don't need a hub
(yes, they're cheap, but it's one more thing to find power for, and it's
one more thing to fail and need repairs). You can easily add another
machine. And IMHO BNC plugs are easier to fit than RJ45s particularly
when working behind a rack.
Certainly for you and me, Tony, and probably for anyone else involved
in non-computer laboratory electronics, 52 ohm coax with BNC's on each
end are *all over* the place!
It's up to you. Personnally, I run a mixture --
10base2 around the main
machines, and a 10baseT hub (with a BNC on it) for a couple of 'remote'
machines.
At the moment, I've got 10Base2 connecting two machines on the second floor,
running down along the chimney to the basement, where it joins a twisted
pair hub, runs off to a half-dozen machines and terminal servers down here.
27 Oct
27 Oct
9:33 a.m.
On Wed, 27 Oct 1999 CLASSICCMP(a)trailing-edge.com wrote:
One thought just occured to me about Bruce's
configuration: I think he
mentioned 100BaseT on his Alpha(s) (and maybe a PC), and he's also got
many machines that are 10BaseT. If he wants to keep his 100BaseT machines
at their "high" speed, yet connect them to his 10BaseT machines, doesn't
this mean that he needs a dual-speed switch in there too? Those aren't
particularly cheap. Maybe a better solution is to put a secondary 10BaseT
card in his modernish machines, and have a segragated 100BaseT network for
the fast stuff.
8-port 10/100 autosense switches are quite reasonable now, under $400 or
so the last time I looked. It'd be the most efficient (from a network
standpoint) way to go. Especially if you are accessing the 100mb machines
from the 10mb machines through the switch (like getting
10 10mb doors).
One thing about 100BT is that it's much more limited for the "home" user
than 10BT, such as the "2-hubs per segment" rule. I've got 6 or 7 10BastT
hubs spread around...whenever I need to add a node I just uplink another
hub. But then I don't have a lot of machines moving a lot of data at the
same time and can get away with it. I have one 10/100 switch that I use to
connect newer machines (laptop to work PC connectivity, etc) and it's been
fantastic.
Aaron
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