Q&A

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No. 1273	Re: DTR line problem CSE-H25	2014-05-27

Hello. This is Peter Lee at technical support team of Sollae Systems. The DTR is always high when it boots up because it is always ready. It can't meet your requirement. I am very sorry about it. > Stephane wrote: > ------------------------------------ > Hello there > > I bought a CSE-H25 a few days ago. > > I have a problem to control the DTR pin > > Checking the box DTR/DSR in ez manager does not have any effect... > > After using the ez manager 3.3A beta and checking 'telnet COM port control' i was able to control the DTR pin. The box DTR/DSR is then grey > > Unfortunatly when i unplug the CSE-H25, on the next boot it will put the DTR-pin in the HIGH-mode, until i launch my software. > > On all the computers i've tested, when the computer boot, the DTR pin will be in low mode. > > The DTR pin is used on my device to ctrl the reset line, so when the CSE-h25 is rebooted my device could not work until i start my software. > > is there any fix for that? (DTR line in low mode (-12v) when the device is reboot) > > Best regards. >