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 Post subject: The parallel port is dead, long live the parallel port.
PostPosted: Thu Apr 09, 2015 10:56 am 
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PlasmaCam wrote:
Why does PlasmaCAM connect to the computer via the parallel port?

At this time, the parallel port is the most reliable and standard form of communication available for connecting a
PC to critical equipment. This is why most medical and CNC equipment still use the parallel port. Though newer
forms of communication like USB, USB2, Firewire, Ethernet and wireless have been developed, all such technologies
use higher frequency signals that are more susceptible to electromagnetic interference. The parallel port cable is
also better suited for industrial environments since it is physically stronger, with locking connectors. In a shop
environment that involves plasma cutting, the parallel port is the most robust, dependable option.

Computer manufacturers continue to include parallel ports in many new computers. Inexpensive add-on parallel
port cards are also available for computers that don't already have ports.

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 Post subject: Re: The parallel port is dead, long live the parallel port.
PostPosted: Thu Apr 09, 2015 12:44 pm 
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Quote:
Why does PlasmaCAM connect to the computer via the parallel port?
Because the design was finalized in 1994, and there's no pressure to improve because all of their competitors in the CNC industry are also using 20-year-old designs.

(I can't tell if this is a serious response or a joke.)


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 Post subject: Re: The parallel port is dead, long live the parallel port.
PostPosted: Wed Apr 29, 2015 6:13 pm 
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Location: Church Stretton Uk
The paralle; port isn't dead. You can find it on any top of the range printer. It is only in the home PC market that it might seem dead.

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