[PD] Re: Connection with sensors - new devices? (Marc Lavall?e)

[Hans-Christoph Steiner]

Wow, that's a crazy setup.  Do you have any documentation of it?

.hc

On Dec 25, 2005, at 11:50 AM, Georges Babouche wrote:

> I connected up to 16 Joysticks via 2 D-link USB hubs
>  in cascade with and with an USB/ethernet/USB
>  estension to reach 50m cable length.
>  Adding 3m USB extension between Joysticks and hub
>  and 5m USB extension between 1st and 2nd USB hub,
>  and, against my expectations it worked fine!
>
>  (all tha data is collected with maxMSP's hi, and
>  i didn't check latency and i must admit that
>  this is no hard real time but OK to play some music
>  with 20 people and that's all is was about :-)
>
>> Type: application/x-gtar
>> Size: 1715 bytes
>> Desc: not available
>> Url :  
>> http://lists.puredata.info/pipermail/pd-list/attachments/20051224/ 
>> 2518ff28/controller-0001.tgz
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Sat, 24 Dec 2005 10:03:02 -0500
>> From: Marc Lavall?e
>> Subject: Re: [PD] Connection with sensors - new devices?
>> To: pd-list at iem.at
>> Message-ID: <200512241003.03912.marc at hacklava.net>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>> Le 23 Décembre 2005 14:12, Hans-Christoph Steiner a écrit :
>> > According to spec, 10BaseT has a maximum cable length of 100m. USB  
>> 1.0
>> > spec says 5m. I've used 100BaseT on cables well over 100m, so that
>> > spec is quite conservative. I've heard about people having quite a  
>> few
>> > troubles trying to get USB up to 20m.
>> >
>> > Plus you can get a 300m spool of CAT5 for US$40. Ethernet is really
>> > far better than USB if you want to go for long cable lengths.
>>
>> Here's a few USB extension solutions, but they are expensive:
>> http://www.usbgear.com/USB-Extenders.html
>> http://www.everythingusb.com/hardware/USB_distance_extension/
>> http://www.cablestogo.com/product.asp?cat_id=201&sku=29341
>> http://www.icron.com/products/usb/usb_products.php
>> --
>> Marc
>>
>>
>>
>> ------------------------------
>>
>> Message: 3
>> Date: Sat, 24 Dec 2005 16:27:40 +0100
>> From: Christian Klippel
>> Subject: Re: [PD] Connection with sensors - new devices?
>> To: pd-list at iem.at
>> Message-ID: <200512241627.40630.ck at mamalala.de>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>> hi all,
>>
>> Am Freitag 23 Dezember 2005 20:12 schrieb Hans-Christoph Steiner:
>> [...snip...]
>> >
>> > According to spec, 10BaseT has a maximum cable length of 100m. USB  
>> 1.0
>> > spec says 5m. I've used 100BaseT on cables well over 100m, so that
>> > spec is quite conservative. I've heard about people having quite a  
>> few
>> > troubles trying to get USB up to 20m.
>> >
>>
>> yes, its true that usb cant extend that long with just a cable, also,  
>> the
>> maximum length is _very_ dependant on the connected device. here i  
>> have a 5
>> meter cable, no problems. also, usb hubs are really cheap.... but for  
>> sure,
>> adding hubs adds latency as well .....
>>
>>
>> > Plus you can get a 300m spool of CAT5 for US$40. Ethernet is really
>> > far better than USB if you want to go for long cable lengths.
>> >
>>
>> thats right. im just curious about the latency i can get, but we will  
>> see....
>>
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