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RE: Re: OTish - Long VGA runs
- To: <ukha_d@xxxxxxx>
- Subject: RE: Re: OTish - Long VGA runs
- From: "Keith Doxey" <ukha@xxxxxxx>
- Date: Tue, 28 Oct 2003 22:29:26 -0000
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
> -----Original Message-----
> From: Tony Butler [mailto:lists@xxxxxxx]
>
>
> Ta for links keith.
> Any ideas on the range of these - will they stretch to 20m?
>
> Cheers,
>
> T.
Hi Tony,
If you are talking about the leads, a 15m lead might stretch to 20m but it
wouldnt be much good afterwards :-)
The splitters should drive the screens OK at that distance. At work we have
an exhibition centre and the Blue VGA leads are used to connect all the
screens back to PC's in the Comms Room. Some of the runs must be around 40m
and there are no problems with them. Also in the Conference rooms we
usually
have about 30m of cable to the projector. A standard PC can drive that
without any trouble but some laptops struggle.
Keep the refresh rate as low as possible because TFT's dont care about
refresh rate ( unless it it too low or too high for the circuitry), but
increasing the refresh rate dramatically increases the bandwith of the
signal and any losses on the cable immediately become noticable.
Keith
www.diyha.co.uk
www.kat5.tv
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