mjunaid4u 0 Posted May 7, 2008 hi im using gv-600 with geovision ver 6.1 and i just bought a data capture box ver v3 but i am not able to connect that with my pos system i have a ibm computer its a wayne nucleus pos system. i tried to check the printing mode through hyper terminal but it always give me an error like unable to open port please check port settings i tried different ports but still its not working ok the printer on pos is made by ibm and its connecting from db9 cable i have data box connected with db9 cable like pos to box db9, box to printer db9, box to computer/dvr db9 then usb to rs232. when i disconnect the cable from computer to dvr which is db9 and usb to rs232 thats when it connects and gives me no error any kinda help would help please Share this post Link to post Share on other sites