----- Original Message -----
From: "L? T?n H�a" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Thursday, June 02, 2005 10:27 PM
Subject: Re: [Vietlug] Re:fiber optic switch
On 6/2/05, wangji <[EMAIL PROTECTED]> wrote:
look at polarisation,crystal structure...
optic== optic !!!
http://www.photonics.com/spectra/research/XQ/ASP/preaid.20/QX/read.htm
ex: A 288 x 288-channel optical cross connect based on micromirrors
features a
median loss of 1.4 dB.
DDa^y chi'nh la` ca'i cha'u muo^'n ti`m.
Khi dda(.t ca^u ho?i na`y cha'u dda~ nghi~ trong dda^`u
(optic==optic) la` kho^ng the^?, nhu+ng kho^ng ngo+`
ngu+o+`i ta la.i la`m ddu+o+.c!!
Ca'm o+n ba'c
---
hoalu
Em va^~n chu+a tha^'y ca^u tra? lo+`i !! ca'i ddo' kho^ng bie^'t co' ne^n
du+o+.c go.i la` switch kho^ng ?? nhu+~ng ti'nh na(ng cu?a switch hoa.t
ddo^.ng o+? layer 2 (OSI Model) chu+a tha^'y dda^u !!! hay ca'i na`y go.i
la` hub ??
em co' sai gi` hay ddo.c ma` kho^ng hie^?u kho^ng nhi? ??
PS: Em va^~n ddang ba?o thu? vo+'i y' kie^'n cu?a mi`nh: la`m sao ma` kho^ng
chuye^?n ve^` ddie^.n ma` va^~n cha.y ddu+o+.c nhu+ switch nhi?, vlan the^'
na`o, trunking the^' na`o, chu+a ke^? inter-vlan routing the^' na`o
nu+~a\....
em Bie^n
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