Hello All,
I am using two PL2303 USB to RS-485 converters connected to 2 different
PCs running Redhat 9 (2.4.20-8 kernel)
on them; and then the devices and connected together. I just want to
test data communication between
2 devices. (loop back). On both the PCs, the device is recognized
properly (gets enumerated) and pl2303 and
usbserial drivers are loaded. The ttyUSB0 device node is also created. I
am able to open minicom on the created device
nodes on both PCs. But when I type something on one PC, nothing comes
over the other PC.
But when I try the same thing with PCs, running Mandrake 10 (2.6.3-mdk
kernel), the data is transfered from one PC to other.
So, I wanted to know what might be the difference? If I want to get this
running should some changes be made to pl2303 or usbserial
drivers?
This is the dmesg output when device is connected.
hub.c: new USB device 00:1d.0-2, assigned address 2
usb.c: USB device 2 (vend/prod 0x67b/0x2303) is not claimed by any
active driver.
usb.c: registered new driver serial
usbserial.c: USB Serial support registered for Generic
usbserial.c: USB Serial Driver core v1.4
usbserial.c: USB Serial support registered for PL-2303
usbserial.c: PL-2303 converter detected
usbserial.c: PL-2303 converter now attached to ttyUSB0 (or usb/tts/0 for
devfs)
pl2303.c: Prolific PL2303 USB to serial adaptor driver v0.9
Thanks for your time..
regards,
mohan.
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