Re: Ethernet wiring diagram
From Neil Franklin <nei...@franklin.ch.remove>
· alt.ascii-art
· 4 Dec 1999 00:00 · View full thread
· report
CJRandall <col...@shieldwolf.demon.co.uk> writes: > > Neil Franklin writes > > > >Device1 Plug1 Plug2 Device2 Ethernet 10/100baseT > >1 1a. . . . . ,1a 8 1,2 computer->hub > > X X X......X X X > >2 1b' V V V V `1b 7 > > > >3 2a-. . 6 3,6 hub->computer > > \ / \ / > >4 3a. .\./. .\./. 5 > > X XXX X XXX X... > >5 3b' V/V\V V/V\V 4 > > / \ / \ > >6 2b-' V 3 > > i presume that 2a,2b are twisted around the twisted-pair 3a,3b ? Hmmm. That would actually be suggested by my diagram. But it isn't so in real, so my diagram is actually broken! Properly 2a/b and 3a/b are each twisted around each other (the cable has just 4 pairs in it. So that would make: 1 1a. ,-. ,-. ,-. ,-. ,-. ,-. ,1a 8 1,2 computer->hub X X X X X X X 2 1b' `-' `-' `-' `-' `-' `-' `1b 7 3 2a----. ,-. ,-. ,-. ,-. ,----2a 6 3,6 hub->computer X X X X X 4 3a--. / `-' `-' `-' `-' \ .--3a 5 X X 5 3b. / \ ,-. ,-. ,-. ,-. / \ ,3b 4 X X X X X X X 6 2b' `-' `-' `-' `-' `-' `-' `2b 3 7 1a. ,-. ,-. ,-. ,-. ,-. ,-. ,1a 2 X X X X X X X 8 1b' `-' `-' `-' `-' `-' `-' `1b 1 Yes, that is how it should be, technically and ASCII-ly. -- Neil Franklin, nei...@franklin.ch.remove http://neil.franklin.ch/
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f996b,3b6f5dc1d8a64cc3 X-Google-Attributes: gidf996b,public From: Neil Franklin <nei...@franklin.ch.remove> Subject: Re: Ethernet wiring diagram Date: 1999/12/04 Message-ID: <6u1...@chonsp.franklin.ch>#1/1 X-Deja-AN: 556584019 Sender: nei...@chonsp.franklin.ch References: <6u3...@chonsp.franklin.ch> <jt5...@shieldwolf.demon.co.uk> X-Trace: 4 Dec 1999 17:05:40 +0100, dua131221.dialup800-stat.ethz.ch Organization: My own Private Self Newsgroups: alt.ascii-art
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