[PD] usb/dmx (again)

nicob sl1200mk2 at free.fr
Sat Mar 19 00:08:51 CET 2005

Le 18 mars 05, à 23:57, Max Neupert a écrit :

> Am 18.03.2005 um 20:13 schrieb Olaf Matthes:
>> nicob wrote:
>>> hi
>>> here's the news from enttec:
>>>  DMX USB Pro Interface
>>> Features:
>>>     •     Micro processor enabled
>>>     •      1500 V isolation (protect your computer from surges)
>>>     •      1 Input & 1 Output connector (there is only one DMX port 
>>> though)
>>>     •      Fully compatible with RDM
>>>     •     Internal frame buffering (will work on any PC)
>>>     •      Will talk at any comm's speed, so it will be completely 
>>> compatible with any system for which the FTDI chip has drivers 
>>> (Windows, OSX, Linux..)
>>>     •      Universe & user config EEPROM
>>>     •      simple API to: update DMX buffers, read incoming DMX, 
>>> configure refresh rates ...
>>> http://www.enttec.com/dmxusb_pro.php
>>> so olaf, can you do something for us  as osx will be ok with this 
>>> interface...
>> I don't see the need to buy the new interface (since the old one 
>> works for me on _my_ Mac), but if you send me a test item I'd be 
>> happy to help. ;-)
>> I find the price too high, since a similar thing (on PC, not Mac) is 
>> available for free using the Parallel port (see 
>> http://manolator.place.cc/). In combination with a USB-parallel 
>> convertor you'd get nearly the same, although this might not work in 
>> Mac. From what I read in the Enttec mailing list this new thig seems 
>> to use a USB-parallel convertor chip as well 
>> (http://www.ftdichip.com/Products/FT245BM.htm)...
> a lightning technician told me last week that dmx will fade anytime 
> soon anyway, the new standard seems to be artnet, a ethernet kind of 
> light control.
ethernet connection will not become a standard until a couple of years. 
evry lighting hardware uses dmx
> although it says in this document that artnet will NOT replace DMX:
> http://www.artisticlicence.com/app%20notes/appnote013.pdf
> would't it be much easier to output ArtNet though the ethernet port 
> directly instead of using those USB to DMX controllers?
for all i saw, usbdmx is cheaper than ethernet/dmx
but it can be cool to command dimmer with osc...
> max

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