I have some short cables that plug into a USB port and have a 9-pin male connector on the other end. We use these for serial connectivity to boxes that don't have native serial ports. We use these successfully on Windows systems and are able to address them as LPT1, LPT2, etc.
Has anyone tried these on a Linux systems? Do they respond to ttyS0?
I don't have a practical need for this, I'm asking to gain the knowledge.
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http://www.blackbox.com/Catalog/Detail.aspx?cid=308,1415,1504&mid=1047
USB had been a little flaky when I try to convert to serial, and it has been more trouble than it generally is worth.
http://www.blackbox.com/Catalog/Detail.aspx?cid=308,1418,1527&mid=1060
and for your laptop, pcmcia cards.
http://www.digi.com/products/serialservers/
If you need to connect multiple serial devices or they are remote, digi makes "portservers" that give you serial at the end of an ethernet run.
We have about a dozen of these, around the state. Used to have both serial printers and dumb terminials, but now it is only the serial printers that our legacy system prints to.
USB had been a little flaky when I try to convert to serial, and it has been more trouble than it generally is worth.
http://www.blackbox.com/Catalog/Detail.aspx?cid=308,1418,1527&mid=1060
and for your laptop, pcmcia cards.
http://www.digi.com/products/serialservers/
If you need to connect multiple serial devices or they are remote, digi makes "portservers" that give you serial at the end of an ethernet run.
We have about a dozen of these, around the state. Used to have both serial printers and dumb terminials, but now it is only the serial printers that our legacy system prints to.
The USB adapters we're using for laptops are less than $20. I'm glad I was only asking for general knowledge reasons and don't have a "real world" need.
My vid card fried last week(week before?). Could I have used this knowledge to access my bsd machine? I hardly ever log into that machine directly, but there are times I need to. Besides, it could have saved me money on a new vid card.
dan grumbles that this article is a week late.
By the way, I install the screen utility as my initial setup on the bsd machine. So, it is here.
Dan
dan grumbles that this article is a week late.
By the way, I install the screen utility as my initial setup on the bsd machine. So, it is here.
Dan
but a Windows system with a bad video card will usually hang during the boot process. In that case, there wouldn't be a functional operating system to connect to. I don't think you wasted your money; besides, you would have replaced the vid card eventually, wouldn't you?
for a better deal then what I got. This is a file server, I do not need the vid card I bought... But, they do not sell cheap pci any more... And I had to get a agp.... Even with me buying the cheapist one I could find, I paid alot more then I wanted too... I would have liked to have settled for a cheaper solution... The serial connection would have kept me going till I found what I was looking for.
I could have pulled the vid card completely out, it was not onboard... I think, but I am not sure... That the machine would have booted then.. Who knows though... I don't.
Dan
I could have pulled the vid card completely out, it was not onboard... I think, but I am not sure... That the machine would have booted then.. Who knows though... I don't.
Dan
This site may also useful for our readers
http://www.saltechnoblog.blogspot.com/
http://www.saltechnoblog.blogspot.com/
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