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Old 04-19-2011, 02:51 AM
Stan Hoeppner
 
Default usbserial/printer

shawn wilson put forth on 4/18/2011 9:35 PM:

> You could also get a print server like an HP jetdirect and print to the
> server's ip.

HP does not sell an external ethernet to serial print server, only
ethernet to parallel.

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Stan


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Old 04-19-2011, 02:56 AM
 
Default usbserial/printer

On Tue, 19 Apr 2011 02:33:27 +0000
Leonardo Ruoso <leonardo.ruoso@gmail.com> wrote:

> Yes, sure!
>
> But I'm trying just to cat file.txt > /dev/ttyUSB0 but nothing
> happens.... if I plug the printer directly to the onboard serial,
> then the content of the file is printed when I do cat file.txt
> > /dev/ttyS0!
>

you should have put that in the original e-mail :-)

What is the baud rate ? is it n81, etc...

Brian


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Old 04-19-2011, 02:56 AM
Stan Hoeppner
 
Default usbserial/printer

Leonardo Ruoso put forth on 4/18/2011 8:34 PM:
> I have a computer without the old rs232, it's like a netbook, but it's
> running lenny. I need to plug a termal serial printer to it. usb to serial
> adapter (prolific chip) should be okay, but didn't work. When back at home,
> just plugged the printer to the serial and it worked. Plugged through
> usbserial adapter and nothing happened again. Does anyone have any idea?
>
> dmesg output when disconnecting and connecting back the usb2serial cable
> [ 1689.296172] usb 2-2: USB disconnect, address 2
> [ 1689.296404] pl2303 ttyUSB0: pl2303 converter now disconnected from
> ttyUSB0
> [ 1689.296423] pl2303 2-2:1.0: device disconnected
> [ 1693.224040] usb 2-2: new full speed USB device using uhci_hcd and address
> 3
> [ 1693.387033] usb 2-2: New USB device found, idVendor=067b, idProduct=2303
> [ 1693.387039] usb 2-2: New USB device strings: Mfr=1, Product=2,
> SerialNumber=0
> [ 1693.387044] usb 2-2: Product: USB 2.0 To COM Device
> [ 1693.387048] usb 2-2: Manufacturer: Prolific Technology Inc.
> [ 1693.390133] pl2303 2-2:1.0: pl2303 converter detected
> [ 1693.402159] usb 2-2: pl2303 converter now attached to ttyUSB0
>
> PS: The printer is a thermal serial diebold/mecaf.

What serial parameters did you program into the Prolific converter's
serial port? Do they match what is expected at the printer?

Have you confirmed the serial cable works properly?

Have you confirmed the Prolific converter itself is working properly and
not defective?

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Stan


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Old 04-19-2011, 03:18 AM
 
Default usbserial/printer

On Tue, 19 Apr 2011 02:33:27 +0000
Leonardo Ruoso <leonardo.ruoso@gmail.com> wrote:

> Yes, sure!
>
> But I'm trying just to cat file.txt > /dev/ttyUSB0 but nothing
> happens.... if I plug the printer directly to the onboard serial,
> then the content of the file is printed when I do cat file.txt
> > /dev/ttyS0!
>

man setserial


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