RE: [CAD_CAM_EDM_DRO] Print Servers for CNC

I don't think speed will be an issue with a modern print server as they are
generally the same throughput as a PC parallel port. The problems may arise
from the ability to directly output signals on pins which are unusual for
printers to use in the same way. Don't forget, they are not directly
coupled to your PC, so any fooling around that the programmer does with the
innards of your PC to generate or read signals may not work on a print
server.

Also, Ethernet works on a collision based retransmission basis. On a small
network this probably wouldn't cause a problem, but on a network with lots
of traffic flowing, your data may be slightly delayed in reaching the print
server which might cause issues.

I'd tend to suggest sticking to popular name brands because driver
availability might be an issue if you change operating systems in the future
(unless the price difference is too great, and you get involved up front
with the assumption that it may end up as a paperweight sometime in the
future)
Theoretically, they should work, from a practical standpoint, you'd have to
try it.

Jeff


-----Original Message-----
From: ccq@... [mailto:ccq@...]
Sent: Tuesday, February 25, 2003 7:28 AM
To: 2ccq@...
Subject: [CAD_CAM_EDM_DRO] Print Servers for CNC


The following URLs have a print server on them; That's a 10/100 ethernet
port feeding three parallel ports. Would these be usable for CNC work?
Would the software be able to access them properly? I would think they'd be
speedy enough for smaller, slower machines, but.....

http://www.pcbay.net/gen3parpor10.html
http://www.amastore.com/gen3porparpr.html

Bill

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