text: <s>[INST] 825 P protectiection relay serial port connecting Summary: Problems connecting to the relay with the serail port I am trying to connect to the 825 P protection relay with a serial to usb cableusing a non modem cable. When i try to coonect to the unit i keep getting an error code STS 0x2.. Can someone tell me what is the error code is, or what my problem is. [/INST] A USB converter can be used, however, you need to assign it to one of these 4 ports: COM 1, 2, 3 or 4 on the machine. Connect the USB adapter serial port to the 825-P using a standard null-modem cable with the pinout shown in the technote below. Aid 32388 - Connecting to the 825-P through computer serial port using the MPS Explorer Software - fuzzy logic Please remember to Rate the Comments( ) to enhance the reputation of the User who provided help,or close your Topic using the ( ) button over the answer that solved it. Thanks... \\n </s>