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When I connect my laptop to my Android phone, the computer aways shows me this error :
1827 Data Router usb connection is true
1827 Data Router DSR is on Don't send DTR on
My phone is galaxy II with Android 4.03.
According to my search:
DSR=Data Set Ready DCE (Data Carrier Detect) is ready to receive commands or data.
DTR=Data Terminal Ready Indicates presence of DTE to DCE.
This is not an application error, this is spam in your log from the system. It’s okay to ignore unless you’re working on the phone’s hardware.