On 13 Aug 2007 at 19:55, alan smith wrote:
> I recently got some cables with RJ45 connecters for ethernet use.
> The ends are all the same, but the colors are different. I'm using a
> BLUE one from my 2nd computer to the router, but I also have a GREEN
> one and a BEIGE cable.
> Is there any signifigance to the colors??
Not for you, no.
There is a scheme which uses colors to number cables within the same area:
1 - blue, 2 - orange, 3 - green, 4 - beige, and so on. But these colors are
most often used for the wall jacks, and the color of the actual cable bears
no relation to its capability.
There is another convention that crossover cables should be red, orange,
or yellow with red connectors, but this is not universally followed.
> Also, I was told that there is a difference in Cd's and DVD's. The +
> plus is for one use and the - minus is for something else.
> Can someone fill in my gaps please???
CDs come in three basic flavours: pre-recorded, write=once CD-R, and
In the DVD world, there again are prerecorded, R and RW. But there are
two recording standards, + and -, and so you get DVD-R- and so on. Most DVD
drives sold support both + and -, so they should work with whatever kind of
disks you buy.
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